40 C.F.R. § 81.303

Current through November 30, 2024

Section 81.303 - Arizona

Arizona-TSP

Designated area	Does not meet primary standards	Does not meet secondary standards	Cannot be classified	Better than national standards
Douglas:
T24S, R27E	¹ X
T24S, R28E	¹ X
Hayden:
T5S, R15E	¹ X
Joseph City:
T18N, R19E	¹ X
Miami:
T1N, R15E	¹ X
Page:
T41N, R9E				X
Paul Spur:
T24S, R26E	¹ X
Phoenix: That portion of Maricopa County known as the Maricopa Association of Governments (MAG) Urban Planning Area	¹ X
Tucson: That portion within Pima County of the area described by connecting the following geographical coordinates moving in a clockwise manner:
LAT(N) and LON(W):
32°38.5' 111°24.0'
32°26.5' 110°47.5'
32°12.5' 110°32.5'
31°49.5' 110°25.5'
31°42.0' 110°50.5'
31°52.5' 111°12.5'
32°24.5' 111°29.0'	¹ X
San Manuel:
T10S, R16E				X
T10S, R17E				X
Morenci: T4S, R29E	¹ X
Rest of State²				¹ X

¹ EPA designation replaces State designation.

² Excluding Ajo (T12S, R6W).

Arizona-1971 Sulfur Dioxide NAAQS

[Primary and Secondary]

Designated area	Does not meet primary standards	Does not meet secondary standards	Cannot be classified	Better than national standards
Ajo:
T11S, R5W				X
T11S, R6W				X
T12S, R5W				X
T12S, R6W				X
T13S, R6W				X
T11S, R7W			X
T12S, R7W			X
T13S, R5W			X
T13S, R7W			X
Douglas:
T23S, R27E				x
T24S, R27E				x
T24S, R28E				x
T23S, R26E			x
T23S, R28E			x
T24S, R26E			x
Hayden:
T4S, R14E	X
T4S, R15E	X
T4S, R16E	X
T5S, T14E	X
T5S, R15E	X
T5S, R16E	X
T6S, R14E	X
T6S, R15E	X
T6S, R16E	X
T4S, R13E			X
T4S, R17E			X
T5S, R13E			X
T5S, R17E			X
T6S, R13E			X
T6S, R17E			X
Miami:
T2N, R14E				X
T2N, R15E				X
T1N, R13E¹				X
T1N, R14E				X
T1N, R15E				X
T1S, R14E¹				X
T1S, R14¹/₂E				X
T1S, R15E				X
T2N, R13E¹			X
T2N, R16E			X
T1N, R16E			X
T1S, R13E¹			X
T1S, R16E			X
T2S, R14E¹			X
T2S, R15E			X
Morenci:
T3S, R28E²				x
T3S, R29E				x
T3S, R30E				x
T4S, R28E²				x
T4S, R29E				x
T4S, R30E				x
T5S, R28E²				x
T5S, R29E²				x
T5S, R30E			x
San Manuel:
T8S, R16E				X
T8S, R17E				X
T8S, R18E				X
T9S, R15E				X
T9S, R16E				X
T9S, R17E				X
T9S, R18E				X
T10S, R15E				X
T10S, R16E				X
T10S, R17E				X
T11S, R16E				X
T10S, R18E				X
T11S, R17E				X
T12S, R16E				X
T12S, R17E				X
Page:
T41N, R9E			³ X
Rest of State				X

¹ Only that portion in Gila County.

² Only that portion in Greenlee County.

³ EPA designation replaces State designation.

Arizona-2010 Sulfur Dioxide NAAQS

[Primary]

Designated area¹	Designation
Designated area¹	Date²	Type
Hayden, AZ³	10-4-13	Nonattainment.
Gila County (part)
The portions of Gila County that are bounded by: T4S, R14E; T4S, R15E; T4S, R16E; T5S, R15E; T5S, R16E
Pinal County (part)
The portions of Pinal County that are bounded by: T4S, R14E; T4S, R15E; T4S, R16E; T5S, R14E; T5S, R15E; T5S, R16E; T6S, R14E; T6S, R15E; T6S, R16E
Miami, AZ³	10-4-13	Nonattainment.
Gila County (part)
The portions of Gila County that are bounded by: T2N, R14E; T2N, R15E; T1N, R13E; T1N, R14E; T1N, R15E; T1S, R14E; T1S, R14 1/2E; T1S, R15E
Coconino County (part)		Unclassifiable.
The portions of Coconino County located within the Navajo Nation areas of Indian country within a 50-km radius of the Navajo Generating Station at the coordinates 39.904006 decimal degrees latitude and -111.389435 decimal degrees longitude, using the 1984 World Geodetic Survey datum.
Rest of State:
Apache County (part)⁴		Attainment/Unclassifiable.
Cochise County		Attainment/Unclassifiable.
Coconino County (part)⁵		Attainment/Unclassifiable.
Gila County (part)⁶		Attainment/Unclassifiable.
Graham County		Attainment/Unclassifiable.
Greenlee County		Attainment/Unclassifiable.
Lands of the Hopi Tribe		Attainment/Unclassifiable.
La Paz County		Attainment/Unclassifiable.
Maricopa County		Attainment/Unclassifiable.
Mohave County		Attainment/Unclassifiable.
Navajo County (part)⁷		Attainment/Unclassifiable.
Lands of the Navajo Nation (part)⁸		Attainment/Unclassifiable.
Pima County		Attainment/Unclassifiable.
Pinal County (part)⁹		Attainment/Unclassifiable.
Santa Cruz County		Attainment/Unclassifiable.
Yavapai County		Attainment/Unclassifiable.
Yuma County		Attainment/Unclassifiable.

¹ Includes Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.

² This date is April 9, 2018, unless otherwise noted.

³ Excludes Indian country located in each area, if any, unless otherwise specified.

⁴ Excludes lands of the White Mountain Apache Tribe.

⁵ Excludes lands of the Hopi Tribe and lands of the Navajo Nation.

⁶ Excludes the lands of the White Mountain Apache Tribe and the Hayden, AZ and Miami, AZ Nonattainment areas.

⁷ Includes all lands of the White Mountain Apache Tribe, including those lands of the White Mountain Apache Tribe geographically located in Apache County and Gila County, and excludes lands of the Hopi Tribe and lands of the Navajo Nation.

⁸ Includes all lands of the Navajo Nation except for the portions of the Navajo Nation lands designated Unclassifiable. Includes the lands of the Navajo Nation geographically located within the states of New Mexico and Utah.

⁹ Excludes the Hayden, AZ Nonattainment area.

Arizona-Carbon Monoxide

Designated area	Designation		Classification
Designated area	Date	Type	Date	Type
Phoenix Area:
Maricopa County (part)	4/8/05	Attainment.
Phoenix nonattainment area boundary:
1. Commencing at a point which is the intersection of the eastern line of Range 7 East, Gila and Salt River Baseline and Meridian, and the southern line of point Township 2 South, said point is the southeastern corner of Maricopa Association of Governments Urban Planning Area, which is the point of beginning;
2. thence, proceed northerly along the eastern line of Range 7 East, which is the common boundary between Maricopa and Pinal Counties, as described in Arizona Revised Statutes Section 11-109, to a point where the eastern line of Range 7 East intersects the northern line of Township 1 North, said point is also the intersection of the Maricopa County Line and the Tonto National Forest Boundary, as established by Executive Order 869 dated July 1, 1908, as amended and the shown on the U.S. Forest Service 1969 Planimetric Maps;
3. thence, westerly along the northern line of Township 1 North to pproximately the southwest corner of the southeast quarter of Section 35, Township 2 North, Range 7 East, said point being the boundary of the Tonto National Forest and Usery Mountain Semi-Regional Park;
4. thence, northerly along the Tonto National Forest Boundary, which is generally the western line of the east half of Sections 26 and 35 of Township 2 North, Range 7 East, to a point which is where the quarter section line intersects with the northern line of Section 26, Township 2 North, Range 7 East, said point also being the northeast corner of the Usery Mountain Semi-Regional Park;
5. thence, westerly along the Tonto National Forest Boundary, which is generally the south line of Sections 19, 20, 21 and 22 and the southern line of the west half of Section 23, Township 2 North, Range 7 East, to a point whcih is the southwest corner of Section 19, Township 2 North, Range 7 East;
6. thence, northeasterly along the Tonto National Forest Boundary to a point where the Tonto National Forest Boundary intersects with the eastern boundary of the Salt River Indian Reservation, generally described as the center line of the Salt River Channel;
7. thence, northeasterly and northerly along the common boundary of the Tonto National Forest and the Salt River Indian Reservation to a point which is the northeast corner of the Salt River Indian Reservation and the southeast corner of the Fort McDowell Indian Reservation, as shown on the plat dated July 22, 1902, and recorded with the U.S. Government on June 15, 1902;
8. thence, northeasterly along the common boundary between the Tonto National Forest and the Fort McDowell Indian Reservation to a point which is the northeast corner of the Fort McDowell Indian Reservation;
9. thence, southwesterly along the northern boundary of the Fort McDowell Indian Reservation, which line is a common boundary with the Tonto National Forest, to a point where the boundary intersects with the eastern line of Section 12, Township 4 North, Range 6 East;
10. thence, northerly along the eastern line of Range 6 East to a point where the eastern line of Range 6 East intersects with the southern line of Township 5 North, said line is the boundary between the Tonto National Forest and the east boundary of McDowell Mountain Regional Park;
11. thence, westerly along the southern line of Township 5 North to a point where the southern line intersects with the eastern line of Range 5 East which line is the boundary of Tonto National Forest and the north boundary of McDowell Mountain Regional Park;
12. thence, northerly along the eastern line of Range 5 East to a point where the eastern line of Range 5 East intersects with the northern line of Township 5 North, which line is the boundary of the Tonto National Forest;
13. thence, westerly along the northern line of Township 5 North to a point where the northern line of Township 5 North intersects with the easterly line of Range 4 East, said line is the boundary of Tonto National Forest;
14. thence, northerly along the eastern line of Range 4 East to a point where the eastern line of Range 4 East intersects with the northern line of Township 6 North, which line is the boundary of the Tonto National Forest;
15. thence, westerly along the northern line of Township 6 North to a point of intersection with the Maricopa-Yavapai County line, which is generally described in Arizona Revised Statutes Section 11-109 as the center line of the Aqua Fria River (Also the north end of Lake Pleasant);
16. thence, southwesterly and southerly along the Maricopa-Yavapai County line to a point which is described by Arizona Revised Statutes Section 11-109 as being on the center line of the Aqua Fria River, two miles southerly and below the mouth of Humbug Creek;
17. thence, southerly along the center line of Aqua Fria River to the intersection of the center line of the Aqua Fria River and the center line of Beardsley Canal, said point is generally in the northeast quarter of Section 17, Township 5 North, Range 1 East, as shown on the U.S. Geological Survey's Baldy Mountain, Arizona Quadrangle Map, 7.5 Minute series (Topographic), dated 1964;
18. thence, southwesterly and southerly along the center line of Beardsley Canal to a point which is the center line of Beardsley Canal where it intersects with the center line of Indian School Road;
19. thence, westerly along the center line of West Indian School Road to a point where the center line of West Indian School Road intersects with the center line of North Jackrabbit Trail;
20. thence, southerly along the center line of Jackrabbit Trail approximately nine and three-quarter miles to a point where the center line of Jackrabbit Trail intersects with the Gila River, said point is generally on the north-south quarter section line of Section 8, Township 1 South, Range 2 West;
21. thence, northeasterly and easterly up the Gila River to a point where the Gila River intersects with the northern extension of the western boundary of Estrella Mountain Regional Park, which point is generally the quarter corner of the northern line of Section 31, Township 1 North, Range 1 West;
22. thence, southerly along the extension of the western boundary and along the western boundary of Estrella Mountain Regional Park to a point where the southern extension of the western boundary of Estrella Mountain Regional Park intersects with the southern line of Township 1 South;
23. thence, easterly along the southern line of Township 1 South to a point where the south line of Township 1 South intersects with the western line of Range 1 East, which line is generally the southern boundary of Estrella Mountain Regional Park;
24. thence, southerly along the western line of Range 1 East to the southwest corner of Section 18, Township 2 South, Range 1 East, said line is the western boundary of the Gila River Indian Reservation;
25. thence, easterly along the southern boundary of the Gila River Indian Reservation which is the southern line of Sections 13, 14, 15, 16, 17, and 18, Township 2 South, Range 1 East, to the boundary between Maricopa and Pinal Counties as described in Arizona Revised Statutes Sections 11-109 and 11-113, which is the eastern line of Range 1 East;
26. thence, northerly along the eastern boundary of Range 1 East, which is the common boundary between Maricopa and Pinal Counties, to a point where the eastern line of Range 1 East intersects the Gila River;
27. thence, southerly up the Gila River to a point where the Gila River intersects with the southern line of Township 2 South; and
28. thence, easterly along the southern line of Township 2 South to the point of beginning which is a point where the southern line of Township 2 South intersects with the easter line Range 7 East;
29. except that portion of the area defined by paragraphs 1 through 28 above that lies within the Gila River Indian Reservation.
Tucson Area:	7/10/00	Attainment
Pima County (part) Township and Ranges as follows: T11-12S, R12-14E; T13-15S; R11-16E; and T16S, R12-16E Gila and Salt River Baseline and Meridian excluding portions of the Saguaro National Park and the Coronado National Forest.
Rest of State	11/15/90	Nonclassifiable/ Attainment
Apache County
Cochise County
Coconino County
Gila County
Graham County
Greenlee County
La Paz County
Maricopa County (part)
Area outside Phoenix Area:
Mohave County
Navajo County
Pima County (part)
Area outside Tucson Area:
Pinal County
Santa Cruz County
Yavapai County
Yuma County

¹ This date is November 15, 1990, unless otherwise noted.

Arizona-Ozone (1-Hour Standard)²

Designated area	Designation		Classification
Designated area	Date¹	Type	Date¹	Type
Phoenix Area: Maricopa County (part)	6/14/05	Attainment
Phoenix nonattainment Forest area boundary:
1. Commencing at a point which is the intersection of the eastern line of Range 7 East, Gila and Salt River Baseline and Meridian, and the southern line of Township 2 South, said point is the southeastern corner of the Maricopa Association of Governments Urban Planning Area, which is the point of beginning;
2. Thence, proceed northerly along the eastern line of Range 7 East which is the common boundary between Maricopa and Pinal Counties, as described in Arizona Revised Statutes Section 11-109, to a point where the eastern line of Range 7 East intersects the northern line of Township 1 North, said point is also the intersection of the Maricopa County Line and the Tonto National Forest Boundary, as established by Executive Order 869 dated July 1, 1908, as amended and shown on the U.S. Forest Service 1969 Planimetric Maps;
3. Thence, westerly along the northern line of Township 1 North to approximately the southwest corner of the southeast quarter of Section 35, Township 2 North, Range 7 East, said point being the boundary of the Tonto National Forest and Usery Mountain Semi-Regional Park;
4. Thence, northerly along the Tonto National Forest Boundary, which is generally the western line of the east half of Sections 26 and 35 of Township 2 North, Range 7 East, to a point which is where the quarter section line intersects with the northern line of Section 26, Township 2 North, Range 7 East, said point also being the northeast corner of the Usery Mountain Semi-Regional Park;
5. Thence, westerly along the Tonto National Forest Boundary, which is generally the south line of Sections 19, 20, 21 and 22 and the southern line of the west half of Section 23, Township 2 North, Range 7 East, to a point which is the southwest corner of Section 19, Township 2 North, Range 7 East;
6. Thence, northerly along the Tonto National Forest Boundary to a point where the Tonto National Forest Boundary intersects with the eastern boundary of the Salt River Indian Reservation, generally described as the center line of the Salt River Channel;
7. Thence, northeasterly and northerly along the common boundary of the Tonto National Forest and the Salt River Indian Reservation to a point which is the northeast corner of the Salt River Indian Reservation and the southeast corner of the Fort McDowell Indian Reservation, as shown on the plat dated July 22, 1902, and recorded with the U.S. Government on June 15, 1902;
8. Thence, northeasterly along the common boundary between the Tonto National Forest and the Fort McDowell Indian Reservation to a point which is the northeast corner of the Fort McDowell Indian Reservation;
9. Thence, southwesterly along the northern boundary of the Fort McDowell Indian Reservation, which line is a common boundary with the Tonto National Forest, to a point where the boundary intersects with the eastern line of Section 12, Township 4 North, Range 6 East;
10. Thence, northerly along the eastern line of Range 6 East to a point where the eastern line of Range 6 East intersects with the southern line of Township 5 North, said line is the boundary between the Tonto National Forest and the east boundary of McDowell Mountain Regional Park;
11. Thence, westerly along the southern line of Township 5 North to a point where the southern line intersects with the eastern line of Range 5 East which line is the boundary of Tonto National Forest and the north boundary of McDowell Mountain Regional Park;
12. Thence, northerly along the eastern line of Range 5 East to a point where the eastern line of Range 5 East intersects with the northern line of Township 5 North, which line is the boundary of the Tonto National Forest;
13. Thence, westerly along the northern line of Township 5 North to a point where the northern line of Township 5 North intersects with the easterly line of Range 4 East, said line is the boundary of Tonto National Forest;
14. Thence, northerly along the eastern line of Range 4 East to a point where the eastern line of Range 4 East intersects with the northern line of Township 6 North, which line is the boundary of the Tonto National Forest;
15. Thence, westerly along the northern line of Township 6 North to a point of intersection with the Maricopa-Yavapai County line, which is generally described in Arizona Revised Statutes Section 11-109 as the center line of the Aqua Fria River (Also the north end of Lake Pleasant);
16. Thence, southwesterly and southerly along the Maricopa-Yavapai County line to a point which is described by Arizona Revised Statutes Section 11-109 as being on the center line of the Aqua Fria River, two miles southerly and below the mouth of Humbug Creek;
17. Thence, southerly along the center line of Aqua Fria River to the intersection of the center line of the Aqua Fria River and the center line of Beardsley Canal, said point is generally in the northeast quarter of Section 17, Township 5 North, Range 1 East, as shown on the U.S. Geological Survey's Baldy Mountain, Arizona Quadrangle Map, 7.5 Minute series (Topographic), dated 1964;
18. Thence, southwesterly and southerly along the center line of Beardsley Canal to a point which is the center line of Beardsley Canal where it intersects with the center line of Indian School Road;
19. Thence, westerly along the center line of West Indian School Road to a point where the center line of West Indian School Road intersects with the center line of North Jackrabbit Trail;
20. Thence, southerly along the center line of Jackrabbit Trail approximately nine and three-quarter miles to a point where the center line of Jackrabbit Trail intersects with the Gila River, said point is generally on the north-south quarter section line of Section 8, Township 1 South, Range 2 West;
21. Thence, northeasterly and easterly up the Gila River to a point where the Gila River intersects with the northern extension of the western boundary of Estrella Mountain Regional Park, which point is generally the quarter corner of the northern line of Section 31, Township 1 North, Range 1 West;
22. Thence, southerly along the extension of the western boundary and along the western boundary of Estrella Mountain Regional Park to a point where the southern extension of the western boundary of Estrella Mountain Regional Park intersects with the southern line of Township 1 South;
23. Thence, easterly along the southern line of Township 1 South to a point where the south line of Township 1 South intersects with the western line of Range 1 East, which line is generally the southern boundary of Estrella Mountain Regional Park;
24. Thence, southerly along the western line of Range 1 East to the southwest corner of Section 18, Township 2 South, Range 1 East, said line is the western boundary of the Gila River Indian Reservation;
25. Thence, easterly along the southern boundary of the Gila River Indian Reservation which is the southern line of Sections 13, 14, 15, 16, 17, and 18, Township 2 South, Range 1 East, to the boundary between Maricopa and Pinal Counties as described in Arizona Revised Statutes Sections 11-109 and 11-113, which is the eastern line of Range 1 East;
26. Thence, northerly along the eastern boundary of Range 1 East, which is the common boundary between Maricopa and Pinal Counties, to a point where the eastern line of Range 1 East intersects the Gila River;
27. Thence, southerly up the Gila River to a point where the Gila River intersects with the southern line of Township 2 South;
28. Thence, easterly along the southern line of Township 2 South to the point of beginning which is a point where the southern line of Township 2 South intersects with the eastern line Range 7 East;
29. Except that portion of the area defined by paragraphs 1 through 28 above that lies within the Gila River Indian Reservation.
Tucson Area:
Pima County (part)
Tuscon area		Unclassifiable/Attainment
Rest of State		Unclassifiable/Attainment
Apache County
Cochise County
Coconino County
Gila County
Graham County
Greenlee County
La Paz County
Maricopa County (part) area outside of Phoenix
Mohave County
Navajo County
Pima County (part) Remainder of county
Pinal County
Santa Cruz County
Yavapai County
Yuma County

¹ This date is October 18, 2000, unless otherwise noted.

² The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Arizona.

Arizona-PM-10

Designated Area	Designation		Classification
Designated Area	Date	Type	Date	Type
Cochise County:
Paul Spur/Douglas planning area	11/15/90	Nonattainment	11/15/90	Moderate.
Township 23 South, Range 25 East (T23S, R25E):
T23S,R26E
T23S, R27E
T23S, R28E
T24S, R25E
T24S, R26E
T24S, R27E
T24S, R28E
Santa Cruz County:
Nogales planning area	11/15/90	Nonattainment	11/15/90	Moderate.
The portions of the following Townships which are within the State of Arizona and lie east of 111 degrees longitude: T23S, R13E, T23S, R14E, T24S, R13E, T24S, R14E
Pima County:
Rillito planning area	11/15/90	Nonattainment	11/15/90	Moderate.
Townships: T11S, R9E, T11S, R10E, T11S, R11E, T11S, R12E, T12S, R8E, T12S, R9E, T12S, R10E, T12S, R11E, T12S, R12E
Ajo planning area	September 3, 2020	Attainment
Township T12S, R6W, and the following sections of Township T12S, R5W:
a. Sections 6-8
b. Sections 17-20, and
c. Sections 29-32
Maricopa County:
Phoenix planning area	11/15/90	Nonattainment	6/10/96	Serious.
T6N, R1-3W, R1-7E; T5N, R1-3W, R1-7E; T4N, R1-3W, R1-7E; T3N, R1-3W, R1-7E; T2N, R1-3W, R1-7E; T1N, R1-3W, R1-7E; T1S, R1-3W, R1-7E; T2S, R1-3W, R1-7E
Pinal County:
Phoenix planning area
T1N, R8E	11/15/90	Nonattainment	6/10/96	Serious.
Yuma County:
Yuma planning area	11/15/90	Nonattainment	11/15/90	Moderate.
Townships:
T7S-R21W, R22W;
T8S-R21W, R22W, R23W, R24W
T9S-R21W, R22W, R23W, R24W, R25W;
T10S-R21W, R22W, R23W, R24W, R25W
Pinal and Gila Counties:
Hayden planning area T1S, R13E (sections 7-36); T1S, R14E (sections 25-36);T2S, R13E; T2S, R14E; T2S, R15E; T3S, R13E; T3S, R14E; T3S, R15E; T3S, R16E (except that portion in the San Carlos Apache Indian Reservation); T4S, R13E; T4S, R14E; T4S, R15E; T4S, R16E; T5S, R13E; T5S, R14E; T5S, R15E; T5S, R16E; T6S, R13E; T6S, R14E; T6S, R15E; and T6S, R16E	11/15/90	Nonattainment	11/15/90	Moderate.
Miami planning area T1N, R13E; T1N, R14E; T1N, R15E; T1S, R13E (sections 1-6); T1S, R14E (sections 124); T1S, R14¹/₂E; and T1S, R15E	11/15/90	Nonattainment	11/15/90	Moderate.
Gila County (part):
Payson: T10N, sections 1-3, 10-15, 22-27, and 34-36 of R9E; T11N, sections 1-3, 10-15, 22-27, and 34-36 of R9E; T10-11N, R10E; T10N, sections 4-9, 16-21, and 28-33 of R11E; T11N, sections 4-9, 16-21, and 28-33 of R11E	08/26/02	Attainment
Mohave County (part):	August 26, 2002	Attainment
Bullhead City: T21N, R21W, excluding Lake Mead National Recreation Area: T20N, R21-22W; T19N, R22W excluding Fort Mohave Indian Reservation
Pinal County (part):
West Pinal	7/2/12	Nonattainment	7/24/20	Serious.
1. Commencing at a point which is the intersection of the western line of Range 2 East, Gila and Salt River Baseline and Meridian, and the northern line of Township 4 South, which is the point of beginning:
2. Thence, proceed easterly along the northern line of Township 4 South to a point where the northern line of Township 4 South intersects the western line of Range 7 East;
3. Thence, northerly along the western line of Range 7 East to a point where the western line of Range 7 East intersects the northern line of Township 3 South;
4. Thence, easterly along the northern line of Township 3 South to a point where the northern line of Township 3 South intersects the western line of Range 8 East;
5. Thence, northerly along the western line of Range 8 East to a point where the western line of Range 8 East intersects the northern line of Township 1 South;
6. Thence, easterly along the northern line of Township 1 South to a point where the northern line of Township 1 South intersects the eastern line of Range 8 East;
7. Thence southerly along the eastern line of Range 8 East to a point where the eastern line of Range 8 East intersects the Northern line of Township 3 South;
8. Thence easterly along the northern line of Township 3 South to a point where the northern line of Township 3 South intersects the eastern line of Range 9 East;
9. Thence southerly along the eastern line of Range 9 east to a point where the eastern line of Range 9 East intersects the northern line of Township 4 South;
10. Thence easterly along the northern line of Township 4 South to a point where the northern line of Township 4 South intersects the eastern line of Range 10 East;
11. Thence southerly along the eastern line of Range 10 East to a point where the eastern line of Range 10 East intersects the southern line of Township 5 South;
12. Thence westerly along the southern line of Township 5 South to a point where the southern line of Township 5 South intersects the eastern line of Range 8 East;
13. Thence southerly along the eastern line of Range 8 East to a point where the eastern line of Range 8 East intersects the northern line of Township 8 South;
14. Thence easterly along the northern line of Township 8 South to a point where the northern line of Township 8 South intersects the eastern line of Range 9 East;
15. Thence southerly along the eastern line of Range 9 east to a point where the eastern line of Range 9 East intersects the northern line of Township 9 South;
16. Thence easterly along the northern line of Township 9 South to a point where the northern line of Township 9 South intersects the eastern line of Range 10 East;
17. Thence southerly along the eastern line of Range 10 East to a point where the eastern line of Range 10 East intersects the southern line of Township 9 South;
18. Thence westerly along the southern line of Township 9 South to a point where the southern line of Township 9 South intersects the western line of Range 7 East;
19. Thence northerly along the western line of Range 7 East to a point where the western line of Range 7 East intersects the southern line of Township 8 South;
20. Thence westerly along the southern line of Township 8 South to a point where the southern line of Township 8 South intersects the western line of Range 6 East;
21. Thence northerly along the western line of Range 6 East to a point where the western line of Range 6 East intersects the southern line of Township 7 South;
22. Thence, westerly along the southern line of Township 7 South to a point where the southern line of Township 7 South intersects the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of section 34, Range 3 East and Township 7 South;
23. Thence, northerly along the along the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of sections 34, 27, 22, and 15, Range 3 East and Township 7 South, to a point where the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of sections 34, 27, 22, and 15, Range 3 East and Township 7 South, intersects the northern line of section 15, Range 3 East and Township 7 South;
24. Thence, westerly along the northern line of sections 15, 16, 17, and 18, Range 3 East and Township 7 South, and the northern line of sections 13, 14, 15, 16, 17, and 18, Range 2 East and Township 7 South, to a point where the northern line of sections 15, 16, 17, and 18, Range 3 East and Township 7 South, and the northern line of sections 13, 14, 15, 16, 17, and 18, Range 2 East and Township 7 South, intersect the western line of Range 2 East, which is the common boundary between Maricopa and Pinal Counties, as described in Arizona Revised Statutes sections 11-109 and 11-113;
25. Thence, northerly along the western line of Range 2 East to the point of beginning which is the point where the western line of Range 2 East intersects the northern line of Township 4 South;
26. Except that portion of the area defined by paragraphs 1 through 25 above that lies within the Ak-Chin Indian Reservation, Gila River Indian Reservation, and the Tohono O'odham Nation's Florence Village and San Lucy Farms.
Rest of State	11/15/90	Unclassifiable

Arizona-1997 Annual PM_2.5 NAAQS

[Primary and Secondary]

Designated area	Designation^a		Classification
Designated area	Date¹	Type	Date	Type
Statewide:
Apache County		Unclassifiable/Attainment
Cochise County		Unclassifiable/Attainment
Coconino County		Unclassifiable/Attainment
Gila County		Unclassifiable/Attainment
Graham County		Unclassifiable/Attainment
Greenlee County		Unclassifiable/Attainment
La Paz County		Unclassifiable/Attainment
Maricopa County		Unclassifiable/Attainment
Mohave County		Unclassifiable/Attainment
Navajo County		Unclassifiable/Attainment
Pima County		Unclassifiable/Attainment
Pinal County		Unclassifiable/Attainment
Santa Cruz County		Unclassifiable/Attainment
Yavapai County		Unclassifiable/Attainment
Yuma County		Unclassifiable/Attainment

^a Includes Indian Country located in each county or area, except as otherwise specified.

¹ This date is 90 days after January 5, 2005, unless otherwise noted.

Arizona-2012 Annual PM_2.5 NAAQS

[Primary]

Designated area¹	Designation		Classification
Designated area¹	Date²	Type	Date²	Type
Statewide:
Apache County		Unclassifiable/Attainment
Cochise County		Unclassifiable/Attainment
Coconino County		Unclassifiable/Attainment
Gila County		Unclassifiable/Attainment
Graham County		Unclassifiable/Attainment
Greenlee County		Unclassifiable/Attainment
La Paz County		Unclassifiable/Attainment
Maricopa County		Unclassifiable/Attainment
Mohave County		Unclassifiable/Attainment
Navajo County		Unclassifiable/Attainment
Pima County		Unclassifiable/Attainment
Pinal County		Unclassifiable/Attainment
Santa Cruz County		Unclassifiable/Attainment
Yavapai County		Unclassifiable/Attainment
Yuma County		Unclassifiable/Attainment

¹ Includes areas of Indian country located in each county or area, except as otherwise specified.

² This date is April 15, 2015, unless otherwise noted.

Arizona-1997 24-Hour PM_2.5 NAAQS

[Primary and Secondary]

Designated area	Designation^a		Classification
Designated area	Date¹	Type	Date	Type
Nogales:
Santa Cruz County (part)		Unclassifiable/Attainment
Nogales planning area bounded as follows: The portions of the following Townships which are within the State of Arizona and lie east of 111 longitude: T23S, R13E; T23S, R14E; T24S, R13E; T24S, R14E.
West Central Pinal:
Pinal County (part)		Unclassifiable/Attainment
1. Commencing at a point which is the intersection of the eastern line of Range 1 East, Gila and Salt River Baseline and Meridian, and the northern line of Township 4 South, which is the point of beginning:
2. Thence, proceed easterly along the northern line of Township 4 South to a point where the northern line of Township 4 South intersects the eastern line of Range 4 East;
3. Thence, southerly along the eastern line of Range 4 East to a point where the eastern line of Range 4 East intersects the northern line of Township 6 South;
4. Thence, easterly along the northern line of Township 6 South to a point where the northern line of Township 6 South intersects the eastern line of Range 4 East;
5. Thence, southerly along the eastern line of Range 4 East to a point where the eastern line of Range 4 East intersects the southern line of Township 7 South;
6. Thence, westerly along the southern line of Township 7 South to a point where the southern line of Township 7 South intersects the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of section 34, Range 3 East and Township 7 South;
7. Thence, northerly along the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of sections 34, 27, 22, and 15, Range 3 East and Township 7 South, to a point where the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of sections 34, 27, 22, and 15, Range 3 East and Township 7 South, intersects the northern line of section 15, Range 3 East and Township 7 South;
8. Thence, westerly along the northern line of sections 15, 16, 17, and 18, Range 3 East and Township 7 South, and the northern line of sections 13, 14, 15, 16, 17, and 18, Range 2 East and Township 7 South, to a point where the northern line of sections 15, 16, 17, and 18, Range 3 East and Township 7 South, and the northern line of sections 13, 14, 15, 16, 17, and 18, Range 2 East and Township 7 South, intersect the eastern line of Range 1 East, which is the common boundary between Maricopa and Pinal Counties, as described in Arizona Revised Statutes sections 11-109 and 11-113;
9. Thence, northerly along the eastern line of Range 1 East to the point of beginning which is the point where the eastern line of Range 1 East intersects the northern line of Township 4 South;
10. Except that portion of the area defined by paragraphs 1 through 9 above that lies in Indian country.
Rest of State:
Apache County		Unclassifiable/Attainment
Cochise County		Unclassifiable/Attainment
Coconino County		Unclassifiable/Attainment
Gila County		Unclassifiable/Attainment
Graham County		Unclassifiable/Attainment
Greenlee County		Unclassifiable/Attainment
La Paz County		Unclassifiable/Attainment
Maricopa County (remainder, excluding lands of the Gila River Indian Community)		Unclassifiable/Attainment
Mohave County		Unclassifiable/Attainment
Navajo County		Unclassifiable/Attainment
Pima County		Unclassifiable/Attainment
Pinal County (remainder, excluding lands of the Gila River Indian Community and Ak-Chin Indian Community)		Unclassifiable/Attainment
Santa Cruz County (remainder)		Unclassifiable/Attainment
Yavapai County		Unclassifiable/Attainment
Yuma County		Unclassifiable/Attainment
Lands of the Gila River Indian Community in Pinal County and Maricopa County		Unclassifiable/Attainment
Lands of the Ak-Chin Indian Community in Pinal County		Unclassifiable/Attainment

^a Includes Indian Country located in each county or area, except as otherwise specified.

¹ This date is 90 days after January 5, 2005, unless otherwise noted.

Arizona-2006 24-Hour PM_2.5 NAAQS

[Primary and Secondary]

Designated area	Designation^a		Classification
Designated area	Date¹	Type	Date²	Type
Nogales:
Santa Cruz County (part) Nogales Planning area bound as follows: The portions of the following Townships which are within the State of Arizona and lie east of 111 longitude: T23S, R13E, T23S, R14E; T24S, R14E, T24S, R14E	9/14/22	Attainment
West Central Pinal:
Pinal County (part)	3/7/11	Nonattainment		Moderate.
1. Commencing at a point which is the intersection of the eastern line of Range 1 East, Gila and Salt River Baseline and Meridian, and the northern line of Township 4 South, which is the point of beginning:
2. Thence, proceed easterly along the northern line of Township 4 South to a point where the northern line of Township 4 South intersects the eastern line of Range 4 East;
3. Thence, southerly along the eastern line of Range 4 East to a point where the eastern line of Range 4 East intersects the northern line of Township 6 South;
4. Thence, easterly along the northern line of Township 6 South to a point where the northern line of Township 6 South intersects the eastern line of Range 4 East;
5. Thence, southerly along the eastern line of Range 4 East to a point where the eastern line of Range 4 East intersects the southern line of Township 7 South;
6. Thence, westerly along the southern line of Township 7 South to a point where the southern line of Township 7 South intersects the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of section 34, Range 3 East and Township 7 South;
7. Thence, northerly along the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of sections 34, 27, 22, and 15, Range 3 East and Township 7 South, to a point where the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of sections 34, 27, 22, and 15, Range 3 East and Township 7 South, intersects the northern line of section 15, Range 3 East and Township 7 South;
8. Thence, westerly along the northern line of sections 15, 16, 17, and 18, Range 3 East and Township 7 South, and the northern line of sections 13, 14, 15, 16, 17, and 18, Range 2 East and Township 7 South, to a point where the northern line of sections 15, 16, 17, and 18, Range 3 East and Township 7 South, and the northern line of sections 13, 14, 15, 16, 17, and 18, Range 2 East and Township 7 South, intersect the eastern line of Range 1 East, which is the common boundary between Maricopa and Pinal Counties, as described in Arizona Revised Statutes sections 11-109 and 11-113;
9. Thence, northerly along the eastern line of Range 1 East to the point of beginning which is the point where the eastern line of Range 1 East intersects the northern line of Township 4 South;
10. Except that portion of the area defined by paragraphs 1 through 9 above that lies in Indian country.
Rest of State:
Apache County		Unclassifiable/Attainment
Cochise County	3/7/11	Unclassifiable/Attainment
Coconino County		Unclassifiable/Attainment
Gila County	3/7/11	Unclassifiable/Attainment
Graham County	3/7/11	Unclassifiable/Attainment
Greenlee County		Unclassifiable/Attainment
La Paz County	3/7/11	Unclassifiable/Attainment
Maricopa County (remainder, excluding lands of the Gila River Indian Community)		Unclassifiable/Attainment
Mohave County		Unclassifiable/Attainment
Navajo County		Unclassifiable/Attainment
Pima County	3/7/11	Unclassifiable/Attainment
Pinal County (remainder, excluding lands of the Gila River Indian Community and Ak-Chin Indian Community)	3/7/11	Unclassifiable/Attainment
Santa Cruz County (remainder)		Unclassifiable/Attainment
Yavapai County	3/7/11	Unclassifiable/Attainment
Yuma County	3/7/11	Unclassifiable/Attainment
Lands of the Gila River Indian Community in Pinal County and Maricopa County	11/26/12	Unclassifiable/Attainment
Lands of the Ak-Chin Indian Community in Pinal County	11/26/12	Unclassifiable/Attainment

^a Includes Indian Country located in each county or area, except as otherwise specified.

¹ This date is 30 days after November 13, 2009, unless otherwise noted.

² This date is July 2, 2014, unless otherwise noted.

Arizona-NO₂ (1971 Annual Standard)

Designated area	Does not meet primary standards	Cannot be classified or better than national standards
Whole State		X

Arizona-NO₂ (2010 1-Hour Standard)

Designated area	Designation^a
Designated area	Date¹	Type
Apache County		Unclassifiable/Attainment.
Cochise County		Unclassifiable/Attainment.
Coconino County		Unclassifiable/Attainment.
Gila County		Unclassifiable/Attainment.
Graham County		Unclassifiable/Attainment.
Greenlee County		Unclassifiable/Attainment.
La Paz County		Unclassifiable/Attainment.
Maricopa County		Unclassifiable/Attainment.
Mohave County		Unclassifiable/Attainment.
Navajo County		Unclassifiable/Attainment.
Pima County		Unclassifiable/Attainment.
Pinal County		Unclassifiable/Attainment.
Santa Cruz County		Unclassifiable/Attainment.
Yavapai County		Unclassifiable/Attainment.
Yuma County		Unclassifiable/Attainment.

^a Includes Indian Country located in each county or area, except as otherwise specified.

¹ This date is 90 days after October 31, 2011, unless otherwise noted.

Arizona-1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area	Designation^a		Category/classification
Designated area	Date¹	Type	Date¹	Type
Phoenix-Mesa, AZ:
Maricopa County (part)	10/17/2014	Attainment
T1N, R1E (except that portion in Indian Country); T1N, R2E; T1N, R3E; T1N, R4E; T1N, R5E; T1N, R6E; T1N, R7E; T1N, R1W; T1N, R2W; T1N, R3W; T1N, R4W; T1N, R5W; T1N, R6W; T2N, R1E; T2N, R2E; T2N, R3E; T2N, R4E; T2N, R5E, T2N, R6E; T2N, R7E; T2N, R8E; T2N, R9E; T2N, R10E; T2N, R11E; T2N, R12E (except that portion in Gila County); T2N, R13E (except that portion in Gila County); T2N, R1W; T2N, R2W; T2N, R3W; T2N, R4W; T2N, R5W; T2N, R6W; T2N, R7W; T3N, R1E; T3N, R2E; T3N, R3E; T3N, R4E; T3N, R5E; T3N, R6E; T3N, R7E; T3N, R8E; T3N, R9E; T3N, R10E (except that portion in Gila County); T3N, R11E (except that portion in Gila County); T3N, R12E (except that portion in Gila County); T3N, R1W; T3N, R2W; T3N, R3W; T3N, R4W; T3N, R5W; T3N, R6W; T4N, R1E; T4N, R2E; T4N, R3E; T4N, R4E; T4N, R5E; T4N, R6E; T4N, R7E; T4N, R8E; T4N, R9E; T4N, R10E (except that portion in Gila County); T4N, R11E (except that portion in Gila County); T4N, R12E (except that portion in Gila County); T4N, R1W; T4N, R2W; T4N, R3W; T4N, R4W; T4N, R5W; T4N, R6W; T5N, R1E; T5N, R2E; T5N, R3E; T5N, R4E; T5N, R5E; T5N, R6E; T5N, R7E; T5N, R8E; T5N, R9E (except that portion in Gila County); T5N, R10E (except that portion in Gila County); T5N, R1W; T5N, R2W; T5N, R3W; T5N, R4W; T5N, R5W; T6N, R1E (except that portion in Yavapai County); T6N, R2E; T6N, R3E; T6N, R4E; T6N, R5E; T6N, R6E; T6N, R7E; T6N, R8E; T6N, R9E (except that portion in Gila County); T6N, R10E (except that portion in Gila County); T6N, R1W (except that portion in Yavapai County); T6N, R2W; T6N, R3W; T6N, R4W; T6N, R5W; T7N, R1E (except that portion in Yavapai County); T7N, R2E; (except that portion in Yavapai County); T7N, R3E; T7N, R4E; T7N, R5E; T7N, R6E; T7N, R7E; T7N, R8E; T7N, R9E (except that portion in Gila County); T7N, R1W (except that portion in Yavapai County); T7N, R2W (except that portion in Yavapai County); T8N, R2E (except that portion in Yavapai County); T8N, R3E (except that portion in Yavapai County); T8N, R4E (except that portion in Yavapai County); T8N, R5E (except that portion in Yavapai County); T8N, R6E (except that portion in Yavapai County); T8N, R7E (except that portion in Yavapai County); T8N, R8E (except that portion in Yavapai and Gila Counties); T8N, R9E (except that portion in Yavapai and Gila Counties); T1S, R1E (except that portion in Indian Country); T1S, R2E (except that portion in Pinal County and in Indian Country); T1S, R3E; T1S, R4E; T1S, R5E; T1S, R6E; T1S, R7E; T1S, R1W; T1S, R2W; T1S, R3W; T1S, R4W; T1S, R5W; T1S, R6W; T2S, R1E (except that portion in Indian Country); T2S, R5E; T2S, R6E; T2S, R7E; T2S, R1W; T2S, R2W; T2S, R3W; T2S, R4W; T2S, R5W; T3S, R1E; T3S, R1W; T3S, R2W; T3S, R3W; T3S, R4W; T3S, R5W; T4S, 1E; T4S, R1W; T4S, R2W; T4S, R3W; T4S, R4W; T4S, R5W.
Pinal County (part)	10/17/2014	Attainment
Apache Junction: T1N, R8E; T1S, R8E (Sections 1 through 12)
Rest of State		Unclassifiable/Attainment
Apache County
Cochise County
Coconino County
Gila County
Graham County
Greenlee County
La Paz County
Maricopa County (part) remainder
Mohave County
Navajo County
Pima County
Pinal County (part) remainder
Santa Cruz County
Yavapai County
Yuma County

^a Includes Indian Country located in each county or area, except as otherwise specified.

¹ This date is June 15, 2004, unless otherwise noted.

Arizona-2008 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area	Designation		Classification
Designated area	Date¹	Type	Date¹	Type
Phoenix-Mesa, AZ:²		Nonattainment	6/3/16	Moderate.
Maricopa County (part)
T1N, R1E (except that portion in Indian Country); T1N, R2E; T1N, R3E; T1N, R4E; T1N, R5E; T1N, R6E; T1N, R7E; T1N, R1W; T1N, R2W; T1N, R3W; T1N, R4W; T1N, R5W; T1N, R6W; T1N, R7W; T1N, R8W; T2N, R1E; T2N, R2E; T2N, R3E; T2N, R4E; T2N, R5E; T2N, R6E; T2N, R7E; T2N, R8E; T2N, R9E; T2N, R10E; T2N, R11E; T2N, R12E (except that portion in Gila County); T2N, R13E (except that portion in Gila County); T2N, R1W; T2N, R2W; T2N, R3W; T2N, R4W; T2N, R5W; T2N, R6W; T2N, R7W; T2N, R8W; T3N, R1E; T3N, R2E; T3N, R3E; T3N, R4E; T3N, R5E; T3N, R6E; T3N, R7E; T3N, R8E; T3N, R9E; T3N, R10E (except that portion in Gila County); T3N, R11E (except that portion in Gila County); T3N, R12E (except that portion in Gila County); T3N, R1W; T3N, R2W; T3N, R3W; T3N, R4W; T3N, R5W; T3N, R6W; T4N, R1E; T4N, R2E; T4N, R3E; T4N, R4E; T4N, R5E; T4N, R6E; T4N, R7E; T4N, R8E; T4N, R9E; T4N, R10E (except that portion in Gila County); T4N, R11E (except that portion in Gila County); T4N, R12E (except that portion in Gila County); T4N, R1W; T4N, R2W; T4N, R3W; T4N, R4W; T4N, R5W; T4N, R6W; T5N, R1E; T5N, R2E; T5N, R3E; T5N, R4E; T5N, R5E; T5N, R6E; N, R8E; T5N, R9E (except that portion in Gila County); T5N, R10E (except that portion in Gila County); T5N, R1W; T5N, R2W; T5N, R3W; T5N, R4W; T5N, R5W; T6N, R1E (except that portion in Yavapai County); T6N, R2E; T6N, R3E; T6N, R4E; T6N, R5E; T6N, R6E; T6N, R7E; T6N, R8E; T6N, R9E (except that portion in Gila County); T6N, R10E (except that portion in Gila County); T6N, R1W (except that portion in Yavapai County); T6N, R2W; T6N, R3W; T6N, R4W; T6N, R5W; T7N, R1E; (except that portion in Yavapai County); T7N, R2E (except that portion in Yavapai County); T7N, R3E; T7N, R4E; T7N, R5E; T7N, R6E; T7N, R7E; T7N, R8E; T7N, R9E (except that portion in Gila County); T7N, R1W (except that portion in Yavapai County); T7N, R2W (except that portion in Yavapai County); T8N, R2E (except that portion in Yavapai County); T8N, R3E (except that portion in Yavapai County); T8N, R4E (except that portion in Yavapai County); T8N, R5E (except that portion in Yavapai County); T8N, R6E (except that portion in Yavapai County); T8N, R7E (except that portion in Yavapai County); T8N, R8E (except that portion in Yavapai and Gila Counties); T8N, R9E (except that portion in Yavapai and Gila Counties); T1S, R1E (except that portion in Indian Country); T1S, R2E (except that portion in Pinal County and in Indian Country); T1S, R3E; T1S, R4E; T1S, R5E; T1S, R6E; T1S, R7E; T1S, R1W; T1S, R2W; T1S, R3W; T1S, R4W; T1S, R5W; T1S, R6W; T2S, R1E (except that portion in Indian Country); T2S, R5E; T2S, R6E; T2S, R7E; T2S, R1W; T2S, R2W; T2S, R3W; T2S, R4W; T2S, R5W; T3S, R1E; T3S, R1W; T3S, R2W; T3S, R3W; T3S, R4W; T3S, R5W; T4S, R1E; T4S, R1W; T4S, R2W; T4S, R3W; T4S, R4W; T4S, R5W; T5S, R4W (Sections 1 through 22 and 27 through 34)
Pinal County (part) Apache Junction:
T1N, R8E; T1S, R8E (Sections 1 through 12)
Fort McDowell Yavapai Nation³
Salt River Pima-Maricopa Indian Community of the Salt River Reservation³
Tohono O'odham Nation of Arizona³
Rest of State:⁴		Unclassifiable/Attainment
Apache County
Cochise County
Coconino County
Gila County
Graham County
Greenlee County
La Paz County
Maricopa County (part) remainder
Mohave County
Navajo County
Pima County
Pinal County (part) remainder
Santa Cruz County
Yavapai County
Yuma County

¹ This date is July 20, 2012, unless otherwise noted.

² Excludes Indian country located in each area, unless otherwise noted.

³ Includes Indian country of the tribe listed in this table located in the identified area. Information pertaining to areas of Indian country in this table is intended for CAA planning purposes only and is not an EPA determination of Indian country status or any Indian country boundary. EPA lacks the authority to establish Indian country land status, and is making no determination of Indian country boundaries, in this table.

⁴ Includes any Indian country in each county or area, unless otherwise specified.

Arizona-2015 8-Hour Ozone NAAQS

[Primary and secondary]

Designated area¹	Designation		Classification
Designated area¹	Date²	Type	Date²	Type
Phoenix-Mesa, AZ		Nonattainment	11/7/22	Moderate.
Gila County (part):
T2N, R12E (except that portion in Maricopa County); T3N, R12E (except that portion in Maricopa County); T4N, R12E (sections 25 through 29 (except those portions in Maricopa County) and 33 through 36 (except those portions in Maricopa County))
Maricopa County (part):
T1N, R1E (except that portion in Indian Country); T1N, R2E; T1N, R3E; T1N, R4E (except that portion in Indian Country); T1N, R5E (except that portion in Indian Country); T1N, R6E; T1N, R7E; T1N, R1W; T1N, R2W; T1N, R3W; T1N, R4W; T1N, R5W; T1N, R6W; T1N, R7W; T1N, R8W; T2N, R1E; T2N, R2E; T2N, R3E; T2N, R4E; T2N, R6E (except that portion in Indian Country); T2N, R7E (except that portion in Indian Country); T2N, R8E; T2N, R9E; T2N, R10E; T2N, R11E; T2N, R12E (except that portion in Gila County); T2N, R13E (except that portion in Gila County); T2N, R1W; T2N, R2W; T2N, R3W; T2N, R4W; T2N, R5W; T2N, R6W; T2N, R7W; T2N, R8W; T3N, R1E; T3N, R2E; T3N, R3E; T3N, R4E; T3N, R5E (except that portion in Indian Country); T3N, R6E (except that portion in Indian Country); T3N, R7E (except that portion in Indian Country); T3N, R8E; T3N, R9E; T3N, R10E (except that portion in Gila County); T3N, R11E (except that portion in Gila County); T3N, R12E (except that portion in Gila County); T3N, R1W; T3N, R2W T3N, R3W; T3N, R4W; T3N, R5W; T3N, R6W; T4N, R1E; T4N, R2E; T4N, R3E; T4N, R4E; T4N, R5E; T4N, R6E (except that portion in Indian Country); T4N, R7E (except that portion in Indian Country); T4N, R8E T4N, R9E; T4N, R10E (except that portion in Gila County); T4N, R11E (except that portion in Gila County); T4N, R12E (except that portion in Gila County); T4N, R1W; T4N, R2W; T4N, R3W; T4N, R4W; T4N, R5W; T4N, R6W; T5N, R1E; T5N, R2E; T5N, R3E; T5N, R4E; T5N, R5E; T5N, R6E; T5N, R7E; T5N, R8E; T5N, R9E (except that portion in Gila County); T5N, R10E (except that portion in Gila County); T5N, R1W; T5N, R2W; T5N, R3W; T5N, R4W; T5N, R5W; T6N, R1E (except that portion in Yavapai County); T6N, R2E; T6N, R3E; T6N, R4E; T6N, R5E; T6N, R6E; T6N, R7E; T6N, R8E; T6N, R9E (except that portion in Gila County); T6N, R10E (except that portion in Gila County); T6N, R1W (except that portion in Yavapai County); T6N, R2W; T6N, R3W; T6N, R4W; T6N, R5W; T7N, R1E (except that portion in Yavapai County); T7N, R2E (except that portion in Yavapai County); T7N, R3E; T7N, R4E; T7N, R5E; T7N, R6E; T7N, R7E; T7N, R8E; T7N, R9E (except that portion in Gila County); T7N, R1W (except that portion in Yavapai County); T7N, R2W (except that portion in Yavapai County); T8N, R2E (except that portion in Yavapai County); T8N, R3E (except that portion in Yavapai County); T8N, R4E (except that portion in Yavapai County); T8N, R5E (except that portion in Yavapai County); T8N, R6E (except that portion in Yavapai County); T8N, R7E (except that portion in Yavapai County); T8N, R8E (except that portion in Yavapai and Gila Counties); T8N, R9E (except that portion in Yavapai and Gila Counties); T1S, R1E (except that portion in Indian Country); T1S, R2E (except that portion in Pinal County and in Indian Country); T1S, R3E; T1S, R4E; T1S, R5E; T1S, R6E; T1S, R7E; T1S, R1W; T1S, R2W; T1S, R3W; T1S, R4W; T1S, R5W; T1S, R6W; T2S, R1E (except that portion in Indian Country); T2S, R5E; T2S, R6E; T2S, R7E; T2S, R1W; T2S, R2W; T2S, R3W; T2S, R4W; T2S, R5W; T3S, R1E; T3S, R1W; T3S, R2W; T3S, R3W; T3S, R4W; T3S, R5W; T4S, R1E; T4S, R1W; T4S, R2W; T4S, R3W; T4S, R4W; T4S, R5W; T5S, R4W (sections 1 through 22 and 27 through 34).
Pinal County (part):
T1N, R8E; T1N, R9E; T1N, R10E; T1S, R8E; T1S, R9E; T1S, R10E; T2S, R8E (sections 1 through 10, 15 through 22, and 27 through 34); T2S, R9E (sections 1 through 6); T2S, R10E (sections 1 through 6); T3S, R7E (sections 1 through 6, 11 through 14, 23 through 26, and 35 through 36); T3S, R8E (sections 3 through 10, 15 through 22, and 27 through 34).
Fort McDowell Yavapai Nation.
Gila River Indian Community of the Gila River Indian Reservation, Arizona.
Includes only non-contiguous areas of Indian country known as "parcels M & N".³
Tohono O'odham Nation of Arizona.
Salt River Pima-Maricopa Indian Community of the Salt River Reservation.
Tohono O'odham Nation of Arizona.
Salt River Pima-Maricopa Indian Community of the Salt River Reservation.
Yuma, AZ		Nonattainment		Marginal.
Yuma County (part):
That portion within Yuma County of the area described by the following:
1. Bounded on the north and west by the Arizona state line.
2. Bounded on the south by the line of latitude at 32°39'20" N.
3. Bounded on the east by the line of longitude 114°33'50" W.
4. And excluding the sections 10, 11, and 12 of township T9S, R23W and any portion in Indian Country.
Cocopah Tribe of Arizona.
Quechan Tribe of the Fort Yuma Indian Reservation.
Gila River Indian Community of the Gila River Indian Reservation, Arizona		Attainment/Unclassifiable
Includes the contiguous main body of the reservation, excluding non-contiguous areas of Indian country known as "parcels M & N".³
Rest of State		Attainment/Unclassifiable
Apache County	1/16/18
Cochise County	1/16/18
Coconino County.
Gila County (part) remainder.
Graham County.
Greenlee County	1/16/18
La Paz County.
Maricopa County (part) remainder.
Mohave County.
Navajo County.
Pima County.
Pinal County (part) remainder.
Santa Cruz County	1/16/18
Yavapai County.
Yuma County (part) remainder.

¹ Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.

² This date is August 3, 2018, unless otherwise noted.

³ See Section 3.0 of the EPA's technical support document for Arizona, titled "Arizona Final Area Designations for the 2015 Ozone National Ambient Air Quality Standards Technical Support Document (TSD)," for more information and a map showing the locations of "parcels M & N" (available in Docket ID: EPA-HQ-OAR-2017-0548).

Arizona-2008 Lead NAAQS

Designated area	Designation for the 2008 NAAQS^a
Designated area	Date¹	Type
Hayden, AZ:
Gila County (part) The portions of Gila County that are bounded by T4S, R14E; T4S, R15E; T4S, R16E; T5S, R15E; T5S, R16E	10-3-14	Nonattainment.
Pinal County (part) The portions of Pinal County that are bounded by: T4S, R14E; T4S, R15E; T4S, R16E (except those portions in the San Carlos Indian Reservation);T5S, R14E; T5S, R15E; T5S, R16E (except those portions in the San Carlos Indian Reservation); T6S, R14E; T6S, R15E; T6S, R16E (except those portions in the San Carlos Indian Reservation)	10-3-14	Nonattainment.
Rest of State		Unclassifiable/Attainment.

^a Includes Indian Country located in each county or area, except as otherwise specified.

¹ December 31, 2011 unless otherwise noted.

40 C.F.R. §81.303

43 FR 8964, Mar. 3, 1978

81 FR 26711 , 5/4/2016; 82 FR 54237 , 1/16/2018; 83 FR 1106 , 4/9/2018; 83 FR 25784 , 8/3/2018; 85 FR 37758 , 7/24/2020; 85 FR 47035 , 9/3/2020; 87 FR 50000 , 9/14/2022; 87 FR 60913 , 11/7/2022; 89 FR 71836 , 10/4/2024

For FEDERAL REGISTER citations affecting §81.303, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.