Jump to main content or area navigation.

Contact EPA Pacific Southwest Air Program

Pacific Southwest, Region 9

Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations

Air Actions, Arizona

Recent Additions

March 5, 2015: Revisions to Arizona State Implementation Plan – New Source Review Program 

February 27, 2015: Arizona Regional Haze SIP and FIP – Apache Generating Station 

Arizona-Wide

Phoenix

Tucson

Other Communities in Arizona

Jump to main content.