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Details of Criteria Pollutant Nonattainment Area Summary Report
Details of Criteria Pollutant Nonattainment Area Summary Report
Data is current as of March 31, 2024The 8-hour Ozone (1997) standard was revoked on April 6, 2015 and the 1-hour Ozone (1979) standard was revoked on June 15, 2005.
Download National Dataset: dbf | xls | Data dictionary (PDF)
| State | Simple Name | Nonattainment Area Name | 2010 Pop. (1000s) |
No. of Counties |
Category/ Class. |
| Pollutant | |||||
| AK | Fairbanks | ||||
| PM-2.5 (2006) | Fairbanks, AK | 87 | 1 | Serious | |
| AZ | Douglas/Paul Spur (Cochise County) | ||||
| PM-10 (1987) | Cochise County; Paul Spur/Douglas planning area, AZ | 17 | 1 | Moderate | |
| AZ | Hayden/Miami | ||||
| Lead (2008) | Hayden, AZ | 5 | 2 | Nonattainment | |
| PM-10 (1987) | Hayden, AZ | 11 | 2 | Moderate | |
| PM-10 (1987) | Miami, AZ | 15 | 2 | Moderate | |
| Sulfur Dioxide (1971) | Hayden (Pinal County), AZ | 5 | 1 | Primary | |
| Sulfur Dioxide (2010) | Hayden, AZ | 5 | 2 | Nonattainment | |
| Sulfur Dioxide (2010) | Miami, AZ | 15 | 1 | Nonattainment | |
| AZ | Nogales | ||||
| PM-10 (1987) | Santa Cruz County; Nogales planning area, AZ | 30 | 1 | Moderate | |
| AZ | Phoenix-Mesa | ||||
| PM-10 (1987) | Maricopa and Pinal Counties; Phoenix planning area, AZ | 3,853 | 2 | Serious | |
| 8-Hour Ozone (2008) | Phoenix-Mesa, AZ | 3,850 | 2 | Moderate | |
| 8-Hour Ozone (2015) | Phoenix-Mesa, AZ | 3,945 | 3 | Moderate | |
| AZ | Rillito (Pima County) | ||||
| PM-10 (1987) | Pima County; Rillito planning area, AZ | 1 | 1 | Moderate | |
| AZ | West Pinal | ||||
| PM-10 (1987) | Pinal County (part); West Pinal, AZ | 283 | 1 | Serious | |
| PM-2.5 (2006) | West Central Pinal, AZ | 52 | 1 | Moderate | |
| AZ | Yuma | ||||
| PM-10 (1987) | Yuma, AZ | 101 | 1 | Moderate | |
| 8-Hour Ozone (2015) | Yuma, AZ | 87 | 1 | Marginal | |
| CA | Amador and Calaveras Cos (Central Mountain Cos) | ||||
| 8-Hour Ozone (2008) | Calaveras County, CA | 46 | 1 | Marginal | |
| 8-Hour Ozone (2015) | Amador County, CA | 38 | 1 | Marginal | |
| 8-Hour Ozone (2015) | Calaveras County, CA | 46 | 1 | Marginal | |
| CA | Chico | ||||
| 8-Hour Ozone (2008) | Chico (Butte County), CA | 220 | 1 | Marginal | |
| 8-Hour Ozone (2015) | Butte County, CA | 220 | 1 | Marginal | |
| CA | Imperial County | ||||
| PM-2.5 (2006) | Imperial County, CA | 154 | 1 | Moderate | |
| PM-2.5 (2012) | Imperial County, CA | 154 | 1 | Moderate | |
| 8-Hour Ozone (2008) | Imperial County, CA | 175 | 1 | Moderate | |
| 8-Hour Ozone (2015) | Imperial County, CA | 175 | 1 | Marginal | |
| CA | Los Angeles-South Coast Air Basin | ||||
| Lead (2008) | Los Angeles County-South Coast Air Basin, CA | 9,437 | 1 | Nonattainment | |
| PM-2.5 (1997) | Los Angeles-South Coast Air Basin, CA | 15,716 | 4 | Moderate | |
| PM-2.5 (2006) | Los Angeles-South Coast Air Basin, CA | 15,716 | 4 | Serious | |
| PM-2.5 (2012) | Los Angeles-South Coast Air Basin, CA | 15,716 | 4 | Serious | |
| 8-Hour Ozone (2008) | Los Angeles-South Coast Air Basin, CA | 15,719 | 4 | Extreme | |
| 8-Hour Ozone (2008) | Morongo Band of Mission Indians, CA | 1 | 1 | Severe 15 | |
| 8-Hour Ozone (2008) | Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA | 3 | 2 | Moderate | |
| 8-Hour Ozone (2015) | Los Angeles-South Coast Air Basin, CA | 15,703 | 4 | Extreme | |
| 8-Hour Ozone (2015) | Morongo Band of Mission Indians, CA | 1 | 1 | Serious | |
| 8-Hour Ozone (2015) | Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA | 1 | 2 | Moderate | |
| CA | Mariposa and Tuolumne Cos (Southern Mountain Cos) | ||||
| 8-Hour Ozone (2008) | Mariposa County, CA | 18 | 1 | Moderate | |
| 8-Hour Ozone (2015) | Mariposa County, CA | 18 | 1 | Moderate | |
| 8-Hour Ozone (2015) | Tuolumne County, CA | 55 | 1 | Marginal | |
| CA | Mono County | ||||
| PM-10 (1987) | Mono Basin, CA | 0 | 1 | Moderate | |
| CA | Nevada County (Western Part) | ||||
| 8-Hour Ozone (2008) | Nevada County (Western part), CA | 82 | 1 | Serious | |
| 8-Hour Ozone (2015) | Nevada County (Western part), CA | 82 | 1 | Serious | |
| CA | Owens Valley | ||||
| PM-10 (1987) | Inyo County; Owens Valley planning area, CA | 7 | 1 | Serious | |
| CA | Plumas County | ||||
| PM-2.5 (2012) | Plumas County, CA | 6 | 1 | Serious | |
| CA | Sacramento Metro | ||||
| PM-2.5 (2006) | Sacramento, CA | 2,206 | 5 | Moderate | |
| 8-Hour Ozone (2008) | Sacramento Metro, CA | 2,241 | 6 | Severe 15 | |
| 8-Hour Ozone (2015) | Sacramento Metro, CA | 2,240 | 6 | Serious | |
| CA | San Diego | ||||
| 8-Hour Ozone (2008) | San Diego County, CA | 3,095 | 1 | Severe 15 | |
| 8-Hour Ozone (2015) | San Diego County, CA | 3,077 | 1 | Severe 15 | |
| CA | San Francisco-Bay Area | ||||
| PM-2.5 (2006) | San Francisco Bay Area, CA | 6,971 | 9 | Moderate | |
| 8-Hour Ozone (2008) | San Francisco Bay Area, CA | 6,973 | 9 | Marginal | |
| 8-Hour Ozone (2015) | San Francisco Bay Area, CA | 6,969 | 9 | Marginal | |
| CA | San Joaquin Valley | ||||
| PM-10 (1987) | East Kern County, CA | 126 | 1 | Serious | |
| PM-2.5 (1997) | San Joaquin Valley, CA | 3,842 | 8 | Serious | |
| PM-2.5 (2006) | San Joaquin Valley, CA | 3,842 | 8 | Serious | |
| PM-2.5 (2012) | San Joaquin Valley, CA | 3,842 | 8 | Serious | |
| 8-Hour Ozone (2008) | Kern County (Eastern Kern), CA | 95 | 1 | Severe 15 | |
| 8-Hour Ozone (2008) | San Joaquin Valley, CA | 3,842 | 8 | Extreme | |
| 8-Hour Ozone (2015) | Kern County (Eastern Kern), CA | 95 | 1 | Serious | |
| 8-Hour Ozone (2015) | San Joaquin Valley, CA | 3,842 | 8 | Extreme | |
| CA | San Luis Obispo | ||||
| 8-Hour Ozone (2008) | San Luis Obispo (Eastern San Luis Obispo), CA | 2 | 1 | Marginal | |
| 8-Hour Ozone (2015) | San Luis Obispo (Eastern part), CA | 1 | 1 | Marginal | |
| CA | Searles Valley | ||||
| PM-10 (1987) | Trona, CA | 4 | 1 | Moderate | |
| CA | Southeast Desert Modified AQMA | ||||
| PM-10 (1987) | Riverside County; Coachella Valley planning area, CA | 258 | 1 | Serious | |
| PM-10 (1987) | San Bernardino County, CA | 237 | 1 | Moderate | |
| 8-Hour Ozone (2008) | Los Angeles-San Bernardino Counties (West Mojave Desert), CA | 868 | 2 | Severe 15 | |
| 8-Hour Ozone (2008) | Riverside County (Coachella Valley), CA | 426 | 1 | Extreme | |
| 8-Hour Ozone (2015) | Los Angeles-San Bernardino Counties (West Mojave Desert), CA | 867 | 2 | Severe 15 | |
| 8-Hour Ozone (2015) | Riverside County (Coachella Valley), CA | 425 | 1 | Severe 15 | |
| CA | Tuscan Buttes | ||||
| 8-Hour Ozone (2008) | Tuscan Buttes, CA | 0 | 1 | Marginal | |
| 8-Hour Ozone (2015) | Tuscan Buttes, CA | 0 | 1 | Marginal (Rural Transport) | |
| CA | Ventura County | ||||
| 8-Hour Ozone (2008) | Ventura County, CA | 823 | 1 | Serious | |
| 8-Hour Ozone (2015) | Ventura County, CA | 821 | 1 | Serious | |
| CA | Yuba City | ||||
| 8-Hour Ozone (2015) | Sutter Buttes, CA | 0 | 1 | Marginal | |
| CO | Denver-Boulder-Greeley-Ft. Collins-Loveland | ||||
| 8-Hour Ozone (2008) | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO | 3,330 | 9 | Severe 15 | |
| 8-Hour Ozone (2015) | Denver Metro/North Front Range, CO | 3,331 | 9 | Moderate | |
| CT | Greater Connecticut | ||||
| 8-Hour Ozone (2008) | Greater Connecticut, CT | 1,629 | 5 | Serious | |
| 8-Hour Ozone (2015) | Greater Connecticut, CT | 1,629 | 5 | Moderate | |
| DC-MD-VA | Washington | ||||
| 8-Hour Ozone (2015) | Washington, DC-MD-VA | 5,136 | 15 | Moderate | |
| GU | Piti-Cabras | ||||
| Sulfur Dioxide (1971) | Piti, GU | 1 | 1 | Primary | |
| Sulfur Dioxide (2010) | Piti-Cabras, GU | 6 | 1 | Nonattainment | |
| GU | Tanguisson Power Plant | ||||
| Sulfur Dioxide (1971) | Tanguisson, GU | 1 | 1 | Primary | |
| IA | Muscatine County | ||||
| Sulfur Dioxide (2010) | Muscatine, IA | 30 | 1 | Nonattainment | |
| ID | Pocatello | ||||
| PM-10 (1987) | Power-Bannock Counties; Fort Hall Indian Reservation, ID | 1 | 2 | Moderate | |
| IL-IN-WI | Chicago-Joliet-Napier | ||||
| 8-Hour Ozone (2015) | Chicago, IL-IN-WI | 9,075 | 11 | Moderate | |
| IN | Fort Wayne-Huntington-Auburn | ||||
| Sulfur Dioxide (2010) | Huntington, IN | 21 | 1 | Nonattainment | |
| KS | Salina | ||||
| Lead (2008) | Saline County, KS | 0 | 1 | Nonattainment | |
| KY | Henderson-Webster Counties | ||||
| Sulfur Dioxide (2010) | Henderson-Webster Counties, KY | 7 | 2 | Nonattainment | |
| KY-IN | Louisville | ||||
| 8-Hour Ozone (2015) | Louisville, KY-IN | 1,061 | 5 | Moderate | |
| LA | Evangeline Parish | ||||
| Sulfur Dioxide (2010) | Evangeline Parish (Partial), LA | 0 | 1 | Nonattainment | |
| LA | New Orleans | ||||
| Sulfur Dioxide (2010) | St. Bernard Parish, LA | 36 | 1 | Nonattainment | |
| MA-NH | Boston-Worcester-Manchester | ||||
| 8-Hour Ozone (2008) | Dukes County, MA | 17 | 1 | Marginal | |
| MD | Baltimore | ||||
| Sulfur Dioxide (2010) | Anne Arundel County and Baltimore County, MD | 990 | 2 | Nonattainment | |
| 8-Hour Ozone (2008) | Baltimore, MD | 2,663 | 6 | Moderate | |
| 8-Hour Ozone (2015) | Baltimore, MD | 2,663 | 6 | Moderate | |
| MI | Allegan County | ||||
| 8-Hour Ozone (2015) | Allegan County, MI | 47 | 1 | Moderate | |
| MI | Benton Harbor | ||||
| 8-Hour Ozone (2015) | Berrien County, MI | 157 | 1 | Moderate | |
| MI | Detroit-Ann Arbor | ||||
| Sulfur Dioxide (2010) | Detroit, MI | 254 | 1 | Nonattainment | |
| Sulfur Dioxide (2010) | St. Clair, MI | 52 | 1 | Nonattainment | |
| MI | Muskegon | ||||
| 8-Hour Ozone (2015) | Muskegon County, MI | 147 | 1 | Moderate | |
| MN | Minneapolis-St. Paul | ||||
| Lead (2008) | Eagan, MN | 9 | 1 | Nonattainment | |
| MO | Iron, Dent, and Reynolds Counties | ||||
| Lead (2008) | Iron, Dent, and Reynolds Counties, MO | 0 | 3 | Nonattainment | |
| MO | New Madrid County | ||||
| Sulfur Dioxide (2010) | New Madrid County, MO | 0 | 1 | Nonattainment | |
| MO-IL | St. Louis | ||||
| Lead (1978) | Jefferson County (part); Herculaneum, MO | 3 | 1 | Nonattainment | |
| Lead (2008) | Jefferson County, MO | 5 | 1 | Nonattainment | |
| Sulfur Dioxide (2010) | Alton Township, IL | 0 | 1 | Nonattainment | |
| 8-Hour Ozone (2015) | St. Louis, MO-IL | 2,488 | 8 | Moderate | |
| MT | Billings/Laurel | ||||
| Sulfur Dioxide (1971) | Laurel Area (Yellowstone County), MT | 7 | 1 | Primary | |
| MT | Lame Deer | ||||
| PM-10 (1987) | Rosebud County; Lame Deer, MT | 1 | 1 | Moderate | |
| MT | Polson (Lake County) | ||||
| PM-10 (1987) | Lake County; Polson, MT | 4 | 1 | Moderate | |
| MT | Ronan (Lake County) | ||||
| PM-10 (1987) | Lake County; Ronan, MT | 3 | 1 | Moderate | |
| NV | Las Vegas | ||||
| 8-Hour Ozone (2015) | Las Vegas, NV | 1,892 | 1 | Moderate | |
| NY | Jamestown | ||||
| 8-Hour Ozone (2008) | Jamestown, NY | 135 | 1 | Marginal | |
| NY | St. Lawrence County | ||||
| Sulfur Dioxide (2010) | St. Lawrence County, NY | 12 | 1 | Nonattainment | |
| NY-NJ-CT | New York-N. New Jersey-Long Island | ||||
| PM-10 (1987) | New York County, NY | 1,586 | 1 | Moderate | |
| 8-Hour Ozone (2008) | New York-N. New Jersey-Long Island, NY-NJ-CT | 20,217 | 24 | Severe 15 | |
| 8-Hour Ozone (2015) | New York-Northern New Jersey-Long Island, NY-NJ-CT | 20,217 | 24 | Moderate | |
| OH | Canton-Massillon | ||||
| Lead (2008) | Canton-Stark County, OH | 6 | 1 | Nonattainment | |
| OH | Cleveland-Akron-Elyria | ||||
| 8-Hour Ozone (2015) | Cleveland, OH | 2,780 | 7 | Moderate | |
| OR | Klamath Falls | ||||
| PM-2.5 (2006) | Klamath Falls, OR | 47 | 1 | Moderate | |
| PA | Clearfield and Indiana Counties | ||||
| Sulfur Dioxide (2010) | Indiana, PA | 93 | 2 | Nonattainment | |
| PA | Lancaster | ||||
| 8-Hour Ozone (2008) | Lancaster, PA | 519 | 1 | Marginal | |
| PA | Pittsburgh-New Castle | ||||
| Lead (2008) | Lower Beaver Valley, PA | 18 | 1 | Nonattainment | |
| PM-2.5 (1997) | Liberty-Clairton, PA | 21 | 1 | Moderate | |
| PM-2.5 (2006) | Liberty-Clairton, PA | 21 | 1 | Moderate | |
| PM-2.5 (2012) | Allegheny County, PA | 1,223 | 1 | Moderate | |
| Sulfur Dioxide (1971) | Armstrong County: Madison, Mahoning, Boggs, Washington, Pine, PA | 5 | 1 | Primary | |
| Sulfur Dioxide (2010) | Allegheny, PA | 127 | 1 | Nonattainment | |
| Sulfur Dioxide (2010) | Beaver, PA | 15 | 1 | Nonattainment | |
| 8-Hour Ozone (2008) | Pittsburgh-Beaver Valley, PA | 2,356 | 7 | Marginal | |
| PA | Reading | ||||
| Lead (2008) | Lyons, PA | 19 | 1 | Nonattainment | |
| Lead (2008) | North Reading, PA | 29 | 1 | Nonattainment | |
| 8-Hour Ozone (2008) | Reading, PA | 411 | 1 | Marginal | |
| PA | Warren County | ||||
| Sulfur Dioxide (2010) | Warren, PA | 18 | 1 | Nonattainment | |
| PA-NJ | Allentown-Bethlehem-Easton | ||||
| 8-Hour Ozone (2008) | Allentown-Bethlehem-Easton, PA | 712 | 3 | Marginal | |
| PA-NJ-DE-MD | Philadelphia-Wilmington-Atlantic City | ||||
| 8-Hour Ozone (2008) | Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE | 7,437 | 16 | Marginal | |
| 8-Hour Ozone (2008) | Seaford, DE | 197 | 1 | Marginal | |
| 8-Hour Ozone (2015) | Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE | 7,437 | 16 | Moderate | |
| PR | Arecibo | ||||
| Lead (2008) | Arecibo, PR | 32 | 1 | Nonattainment | |
| PR | Guayama-Salinas | ||||
| Sulfur Dioxide (2010) | Guayama-Salinas, PR | 23 | 1 | Nonattainment | |
| PR | San Juan | ||||
| Sulfur Dioxide (2010) | San Juan, PR | 275 | 5 | Nonattainment | |
| TN | Johnson City-Kingsport-Bristol | ||||
| Sulfur Dioxide (2010) | Sullivan County, TN | 15 | 1 | Nonattainment | |
| TX | Dallas-Fort Worth | ||||
| 8-Hour Ozone (2008) | Dallas-Fort Worth, TX | 6,280 | 10 | Severe 15 | |
| 8-Hour Ozone (2015) | Dallas-Fort Worth, TX | 6,202 | 9 | Moderate | |
| TX | Fairfield | ||||
| Sulfur Dioxide (2010) | Freestone and Anderson Counties, TX | 4 | 2 | Nonattainment | |
| TX | Houston-Sugar Land-Baytown | ||||
| 8-Hour Ozone (2008) | Houston-Galveston-Brazoria, TX | 5,892 | 8 | Severe 15 | |
| 8-Hour Ozone (2015) | Houston-Galveston-Brazoria, TX | 5,773 | 6 | Moderate | |
| TX | Howard County | ||||
| Sulfur Dioxide (2010) | Howard County, TX | 0 | 1 | Nonattainment | |
| TX | Hutchinson County | ||||
| Sulfur Dioxide (2010) | Hutchinson County, TX | 15 | 1 | Nonattainment | |
| TX | Mount Pleasant | ||||
| Sulfur Dioxide (2010) | Titus County, TX | 0 | 1 | Nonattainment | |
| TX | Navarro County | ||||
| Sulfur Dioxide (2010) | Navarro County, TX | 2 | 1 | Nonattainment | |
| TX | San Antonio | ||||
| 8-Hour Ozone (2015) | San Antonio, TX | 1,715 | 1 | Moderate | |
| TX | Tatum | ||||
| Sulfur Dioxide (2010) | Rusk and Panola Counties, TX | 2 | 2 | Nonattainment | |
| TX-NM | El Paso-Las Cruces | ||||
| PM-10 (1987) | Dona Ana County; Anthony, NM | 3 | 1 | Moderate | |
| PM-10 (1987) | El Paso County, TX | 649 | 1 | Moderate | |
| 8-Hour Ozone (2015) | El Paso-Las Cruces, TX-NM | 813 | 2 | Marginal | |
| UT | Provo | ||||
| PM-2.5 (2006) | Provo, UT | 518 | 1 | Serious | |
| 8-Hour Ozone (2015) | Southern Wasatch Front, UT | 516 | 1 | Marginal | |
| UT | Salt Lake City | ||||
| PM-2.5 (2006) | Salt Lake City, UT | 1,665 | 5 | Serious | |
| Sulfur Dioxide (1971) | Salt Lake County, UT | 1,030 | 1 | Primary, Secondary | |
| 8-Hour Ozone (2015) | Northern Wasatch Front, UT | 1,616 | 4 | Moderate | |
| UT | Tooele County | ||||
| Sulfur Dioxide (1971) | Tooele County, UT | 58 | 1 | Primary, Secondary | |
| UT | Uinta Basin | ||||
| 8-Hour Ozone (2015) | Uinta Basin, UT | 47 | 2 | Marginal | |
| VA | Giles County | ||||
| Sulfur Dioxide (2010) | Giles County, VA | 0 | 1 | Nonattainment | |
| WA | Whatcom County | ||||
| Sulfur Dioxide (2010) | Whatcom County, WA | 0 | 1 | Nonattainment | |
| WI | Milwaukee-Racine | ||||
| 8-Hour Ozone (2015) | Milwaukee, WI | 1,648 | 5 | Moderate | |
| WI | Sheboygan | ||||
| 8-Hour Ozone (2015) | Sheboygan County, WI | 68 | 1 | Moderate | |
| WV-OH | Parkersburg-Marietta | ||||
| Sulfur Dioxide (2010) | Muskingum River, OH | 4 | 2 | Nonattainment | |
| WY | Upper Green River Basin | ||||
| 8-Hour Ozone (2008) | Upper Green River Basin Area, WY | 11 | 3 | Marginal | |
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