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Particulate Matter (PM-10) Nonattainment Areas
As of August 30, 2011
| Areas Listed Alphabetically | Classification | No. Counties NAA |
2000 Pop. | EPA Region |
State |
|---|---|---|---|---|---|
| Ajo (Pima County), AZ | Moderate | 1 | 7,594 | 9 | AZ |
| Anthony, NM | Moderate | 1 | 2,585 | 6 | NM |
| Bonner Co (Sandpoint), ID | Moderate | 1 | 36,835 | 10 | ID |
| Butte, MT | Moderate | 1 | 34,606 | 8 | MT |
| Clark Co, NV | Serious | 1 | 1,375,765 | 9 | NV |
| Coachella Valley, CA | Serious | 1 | 181,942 | 9 | CA |
| Columbia Falls, MT | Moderate | 1 | 3,776 | 8 | MT |
| Eagle River, AK | Moderate | 1 | 195,499 | 10 | AK |
| East Kern Co, CA | Serious | 1 | 99,251 | 9 | CA |
| El Paso Co, TX | Moderate | 1 | 563,662 | 6 | TX |
| Eugene-Springfield, OR | Moderate | 1 | 179,210 | 10 | OR |
| Flathead County; Whitefish and vicinity, MT | Moderate | 1 | 5,027 | 8 | MT |
| Fort Hall Indian Reservation, ID | Moderate | 2 | 553 | 10 | ID |
| Hayden AZ | Moderate | 2 | 6,045 | 9 | AZ |
| Imperial Valley, CA | Serious | 1 | 119,825 | 9 | CA |
| Juneau, AK | Moderate | 1 | 13,777 | 10 | AK |
| Kalispell, MT | Moderate | 1 | 15,088 | 8 | MT |
| Lame Deer, MT | Moderate | 1 | 536 | 8 | MT |
| Lane Co, OR | Moderate | 1 | 3,423 | 10 | OR |
| Libby, MT | Moderate | 1 | 3,232 | 8 | MT |
| Los Angeles South Coast Air Basin, CA | Serious | 4 | 14,593,587 | 9 | CA |
| Mammoth Lake, CA | Moderate | 1 | 6,455 | 9 | CA |
| Miami, AZ | Moderate | 1 | 14,575 | 9 | AZ |
| Missoula, MT | Moderate | 1 | 52,356 | 8 | MT |
| Mono Basin, CA | Moderate | 1 | 258 | 9 | CA |
| New York Co, NY | Moderate | 1 | 1,537,195 | 2 | NY |
| Nogales, AZ | Moderate | 1 | 24,572 | 9 | AZ |
| Ogden, UT | Moderate | 1 | 77,226 | 8 | UT |
| Owens Valley, CA | Serious | 1 | 7,000 | 9 | CA |
| Paul Spur/Douglas (Cochise County), AZ | Moderate | 1 | 15,685 | 9 | AZ |
| Phoenix, AZ | Serious | 2 | 3,111,876 | 9 | AZ |
| Pinehurst, ID | Moderate | 1 | 1,702 | 10 | ID |
| Polson, MT | Moderate | 1 | 3,780 | 8 | MT |
| Rillito, AZ | Moderate | 1 | 506 | 9 | AZ |
| Ronan, MT | Moderate | 1 | 2,521 | 8 | MT |
| Sacramento Co, CA | Moderate | 1 | 1,223,499 | 9 | CA |
| Salt Lake Co, UT | Moderate | 1 | 898,387 | 8 | UT |
| San Bernardino Co, CA | Moderate | 1 | 199,410 | 9 | CA |
| Sanders County (part);Thompson Falls and vicinity,MT | Moderate | 1 | 1,180 | 8 | MT |
| Sheridan, WY | Moderate | 1 | 15,782 | 8 | WY |
| Shoshone Co, ID | Moderate | 1 | 10,455 | 10 | ID |
| Trona, CA | Moderate | 1 | 3,500 | 9 | CA |
| Utah Co, UT | Moderate | 1 | 368,536 | 8 | UT |
| Washoe Co, NV | Serious | 1 | 339,486 | 9 | NV |
| Yuma, AZ | Moderate | 1 | 82,333 | 9 | AZ |
| 45 Total Areas | 39 | 25,440,093 | |||
|
The county total is adjusted to count a single county only once (in the case where part of a county may be in multiple maintenance areas). Any multi-state areas are counted in the nonattainment report until all state areas have been redesignated. |