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PM-2.5 (2012) Nonattainment Areas
PM-2.5 (2012) Nonattainment Areas
Data is current as of November 30, 2025| SERIOUS | |
| Los Angeles-South Coast Air Basin, CA | |
| Plumas County, CA | |
| San Joaquin Valley, CA | |
| MODERATE | |
| Allegheny County, PA | |
| Imperial County, CA | |
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