San Diego County Air Quality Plans
- California State Implementation Plans
- Nonattainment Area Plans
- Butte County Air Quality Plans
- Eastern Kern Air Quality Plans
- Great Basin Unified APCD Air Quality Plans
- Imperial County Air Quality Plans
- Mariposa County APCD Air Quality Plans
- Northern Sierra AQMD Air Quality Plans
- Sacramento Region Air Quality Plans
- San Diego County Air Quality Plans
- San Francisco Bay Area Air Quality Plans
- San Joaquin Valley Air Quality Plans
- Santa Barbara County Air Quality Plans
- South Coast Air Quality Plans
- Ventura County Air Quality Plans
- Western Mojave Desert Air Quality Plans
- Statewide Efforts
- Nonattainment Area Plans
Recent and historical State Implementation Plan (SIP) activity related to San Diego County Air Pollution Control District.
- 2020 San Diego Ozone State Implementation Plan
- 2017 San Diego Ozone State Implementation Plan
- 2012 San Diego 8-Hour National Ozone Implementation/Maintenance Plan and Redesignation Request
- 2007 San Diego 8-Hour Ozone Plan
- 2004 Revisions to the Carbon Maintenance Plan
- 1998 Revisions to the Carbon Monoxide Maintenance Plan
- Final Carbon Monoxide Redesignation Request and Maintenance Plan for Ten Federal Planning Areas