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Arizona Whole or Part County Nonattainment Status by Year Since 1992 for all Criteria Pollutants

Data is current as of March 31, 2024

Listed by State, County, NAAQS (W=Whole County,P=Partial County designated nonattainment as of report date)
The 8-hour Ozone (1997) standard was revoked on April 6, 2015 and the 1-hour Ozone (1979) standard was revoked on June 15, 2005.

The 1997 Primary Annual PM-2.5 NAAQS (level of 15 µg/m3) is revoked in attainment and maintenance areas for that NAAQS. For additional information see the PM-2.5 NAAQS SIP Requirements Final Rule, effective October 24, 2016. (81 FR 58009)

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Important Notes Download National Dataset: dbf   |   xls    |   Data dictionary (PDF)
ARIZONA
County NAAQS 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Cochise Co PM-10 (1987) P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P
Cochise Co Sulfur Dioxide (1971) P P P P P P P P P P P P P P
Gila Co 8-Hour Ozone (2015) P P P P P P P
Gila Co Lead (2008) P P P P P P P P P P P
Gila Co PM-10 (1987) P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P
Gila Co Sulfur Dioxide (1971) P P P P P P P P P P P P P P P
Gila Co Sulfur Dioxide (2010) P P P P P P P P P P P P
Greenlee Co Sulfur Dioxide (1971) P P P P P P P P P P P P
Maricopa Co 1-Hour Ozone (1979)-NAAQS revoked P P P P P P P P P P P P P
Maricopa Co 8-Hour Ozone (1997)-NAAQS revoked P P P P P P P P P P
Maricopa Co 8-Hour Ozone (2008) P P P P P P P P P P P P P
Maricopa Co 8-Hour Ozone (2015) P P P P P P P
Maricopa Co Carbon Monoxide (1971) P P P P P P P P P P P P P
Maricopa Co PM-10 (1987) P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P
Mohave Co PM-10 (1987) P P P P P P P P
Pima Co Carbon Monoxide (1971) P P P P P P P P
Pima Co PM-10 (1987) P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P
Pima Co Sulfur Dioxide (1971) P P P P P P P P P P P P
Pinal Co 8-Hour Ozone (1997)-NAAQS revoked P P P P P P P P P P
Pinal Co 8-Hour Ozone (2008) P P P P P P P P P P P P P
Pinal Co 8-Hour Ozone (2015) P P P P P P P
Pinal Co Lead (2008) P P P P P P P P P P P
Pinal Co PM-10 (1987) P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P
Pinal Co PM-2.5 (2006) P P P P P P P P P P P P P P
Pinal Co Sulfur Dioxide (1971) P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P
Pinal Co Sulfur Dioxide (2010) P P P P P P P P P P P P
Santa Cruz Co PM-10 (1987) P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P
Santa Cruz Co PM-2.5 (2006) P P P P P P P P P P P P P
Yuma Co 8-Hour Ozone (2015) P P P P P P P
Yuma Co PM-10 (1987) P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P
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