Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations
Air Quality Analysis
Ozone (O3) Attainment Designations in Region 9 (1-hour Standard)
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- 1-Hour Ozone Standard Designation Areas (Google Earth Data-KMZ)
- Zipped GIS Data (.zip, 1.6M)
- View a Larger Version of this Map
- View a High-Resolution PDF of This Map (PDF)
- Return to: Air Quality Maps Home
E-mail Fletcher Clover (clover.fletcher@epa.gov) with questions.