PM-10 (1987) Nonattainment Areas
Data is current as of August 31, 2020
| SERIOUS |
| Coachella Valley, CA |
| East Kern Co, CA |
| Imperial Valley, CA |
| Owens Valley, CA |
| Phoenix, AZ |
| West Pinal, AZ |
| |
| MODERATE |
| Ajo (Pima County), AZ |
| Anthony, NM |
| Butte, MT |
| El Paso Co, TX |
| Flathead County; Whitefish and vicinity, MT |
| Fort Hall Indian Reservation |
| Hayden, AZ |
| Lame Deer, MT |
| Lane Co, OR |
| Miami, AZ |
| Mono Basin, CA |
| New York Co, NY |
| Nogales, AZ |
| Paul Spur/Douglas (Cochise County), AZ |
| Polson, MT |
| Rillito, AZ |
| Ronan, MT |
| San Bernardino Co, CA |
| Sanders County (part); Thompson Falls and vicinity, MT |
| Trona, CA |
| Yuma, AZ |
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