Contact EPA Pacific Southwest Air Program
Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations
Air Quality Analysis
24-Hour Particulate Matter (24-Hour PM-2.5) Attainment Designations in Region 9
You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Adobe Reader.
- 24-Hour Particulate Matter PM-2.5 Standard Designated Areas
(Google Earth Data-KMZ, 1.2MB) - Zipped GIS data (.zip, 681KB)
- View a larger version of this map
- View the PDF version of this map (PDF) (1 pg, 501K)
- Back to Air Quality Maps page
E-mail Fletcher Clover ([email protected]) with questions.