California Air Resources Board

For federal ozone and PM standards, nonattainment areas are required to submit SIP revisions meeting contingency measure and other applicable requirements of the Clean Air Act by specified deadlines. CARB is now developing the Smog Check Contingency Measure concept to support local air quality districts in meeting contingency measure requirements.

California Smog Check Contingency Measure SIP Revision (Adopted October 26, 2023)

Proposed California Smog Check Contingency Measure

• California Smog Check Contingency Measure SIP Revision (September 15, 2023)
• Notice of Public Hearing (September 15, 2023)

Board Hearing - October 26, 2023

• Presentation
• Resolution 23-20
• Recording
• Public Comments Received

Public Workshop - August 24, 2023

• Public Workshop Notice (Español)
• Concept Paper for a California Smog Check Contingency Measure for the State Implementation Plan (Español)
• Workshop Presentation (Español)
• Workshop Recordings
  • Presentation
  • Comments / Q&A