Regulation & law · 19/12/2023

EPA Proposes Approval of California's Air Quality Plans for San Diego County

The Environmental Protection Agency (EPA) is proposing to approve California's state implementation plan (SIP) revisions to meet Clean Air Act requirements for the 2008 and 2015 8-hour ozone national ambient air quality standards (NAAQS) in the San Diego County ozone nonattainment area.