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Nitrogen Dioxide (1971) Maintenance Area (Redesignated from Nonattainment) State/Area/County Report
Nitrogen Dioxide (1971) Maintenance Area (Redesignated from Nonattainment) State/Area/County Report
Data is current as of November 30, 2025| CALIFORNIA (Region IX) |
| Los Angeles-South Coast Air Basin, CA (Maintenance) |
| Los Angeles County (P) |
| Orange County |
| Riverside County (P) |
| San Bernardino County (P) |
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