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PM-2.5 (1997) Nonattainment Area Area/State/County Report
PM-2.5 (1997) Nonattainment Area Area/State/County Report
Data is current as of November 30, 2025| Los Angeles-South Coast Air Basin, CA (Moderate - Nonattainment) | |
| CALIFORNIA (Region IX) | |
| Los Angeles County (P) | |
| Orange County | |
| Riverside County (P) | |
| San Bernardino County (P) | |
| San Joaquin Valley, CA (Serious - Nonattainment) | |
| CALIFORNIA (Region IX) | |
| Fresno County | |
| Kern County (P) | |
| Kings County | |
| Madera County | |
| Merced County | |
| San Joaquin County | |
| Stanislaus County | |
| Tulare County | |
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