California Air Resources Board

On January 24, 2019, the California Air Resources Board adopted the 2018 Plan for the 1997, 2006, and 2012 PM2.5 Standards (2018 PM2.5 Plan) for the San Joaquin Valley.  The 2018 PM2.5 Plan addresses multiple federal PM2.5 ambient air quality standards.

This page provides links to documentation relevant to the 2018 PM2.5 Plan. Additional CARB and District documentation will be posted here as they become available.

15 μg/m3 1-Year Attainment Date Extension Request

• CARB Letter (May 23, 2024)
  • Data Certification (April 29, 2024)
• District Letter and Documentation (May 14, 2024)
• CARB Documentation
• Letter requesting parallel processing of proposed amendments to Valley Incentive Measure and 15 ug/m3 SIP Revision (June 21, 2024)

12 μg/m3 SIP Withdrawal

• CARB Withdrawal Letter (October 27, 2022)
• SJVAPCD Concurrence Letter (October 27, 2022)

12 μg/m3 SIP Revision 

• Notice of Postponement (October 14, 2022)
• Notice of Public Meeting
• Staff Report

Aggregate Commitment 

• Progress Report and Technical Submittal for 2012 PM_2.5 Standard (October 19, 2021)

15 μg/m3 SIP Revision

• Notice of Public Meeting (September 23, 2021)
• Staff Report 
• Supplement for 15 μg/m3 SIP Revision (Ammonia and Building Electrification) (March 29, 2023)
  • Letter
  • Ammonia Supplemental Information
    • Appendix A: List of Ammonia Control Measures
    • Appendix B: Swine Biofilter Cost Analysis
  • Building Electrification Technical Information
    • Appendix F: 2022 Scoping Plan Building Decarbonization
• Supplement for 15 μg/m3 SIP Revision (Title VI of the Civil Rights Act) (June 15, 2023)
  • Letter
  • CARB Title VI Information
  • District Title VI Information

Supplemental Information

• SIP Measure Tracking (June 10, 2022)
• Southeast Fresno Unmonitored Area PM2.5 Analysis (July 12, 2022)

Technical Revisions

• Notice of Public Meeting (May 24, 2020)
• Staff Report

2018 PM2.5 Plan

• Notice of Public Meeting (January 24, 2019)
• Staff Report (December 21, 2018)
  • Appendix A - Links
  • Appendix B - District Submittal Letter and Governing Board Resolution
  • Appendix C - Weight of Evidence Analysis

District Documents

Quantitative Milestone Reports

• 2023 Report
• 2022 Report
• 2020 Report
• 2019 Report
• 2017 Report
  • Supplemental Information
  • U.S. EPA Evaluation 

August 28, 2018 Community Meeting

• Meeting Notice (August 17, 2018) English | Spanish
• Meeting Agenda English | Spanish
• Panel Members
• Presentations
  • CARB Presentation
  • U.S. EPA Presentation
  • District Presentation
• Documents
  • Draft San Joaquin Valley Supplement to State SIP Strategy (August 27, 2018)
  • Transportation Conformity