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PM-2.5 (2006) Nonattainment Area State/Area/County Report
PM-2.5 (2006) Nonattainment Area State/Area/County Report
Data is current as of November 30, 2025| ALASKA (Region X) | |
| Fairbanks, AK (Serious - Nonattainment) | |
| Fairbanks North Star Borough (P) | |
| ARIZONA (Region IX) | |
| West Central Pinal, AZ (Moderate - Nonattainment) | |
| Pinal County (P) | |
| CALIFORNIA (Region IX) | |
| Imperial County, CA (Moderate - Nonattainment) | |
| Imperial County (P) | |
| Los Angeles-South Coast Air Basin, CA (Serious - Nonattainment) | |
| Los Angeles County (P) | |
| Orange County | |
| Riverside County (P) | |
| San Bernardino County (P) | |
| Sacramento, CA (Moderate - Nonattainment) | |
| El Dorado County (P) | |
| Placer County (P) | |
| Sacramento County | |
| Solano County (P) | |
| Yolo County (P) | |
| San Francisco Bay Area, CA (Moderate - Nonattainment) | |
| Alameda County | |
| Contra Costa County | |
| Marin County | |
| Napa County | |
| San Francisco County | |
| San Mateo County | |
| Santa Clara County | |
| Solano County (P) | |
| Sonoma County (P) | |
| San Joaquin Valley, CA (Serious - Nonattainment) | |
| Fresno County | |
| Kern County (P) | |
| Kings County | |
| Madera County | |
| Merced County | |
| San Joaquin County | |
| Stanislaus County | |
| Tulare County | |
| OREGON (Region X) | |
| Klamath Falls, OR (Moderate - Nonattainment) | |
| Klamath County (P) | |
| UTAH (Region VIII) | |
| Provo, UT (Serious - Nonattainment) | |
| Utah County (P) | |
| Salt Lake City, UT (Serious - Nonattainment) | |
| Box Elder County (P) | |
| Davis County | |
| Salt Lake County | |
| Tooele County (P) | |
| Weber County (P) | |
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