Skip to main content
  • twitter
  • facebook
  • youtube
  • linkedin
  • email
  • Calendar
  • FAQs
  • Contact
  • Careers
  • Subscribe
  • Display Settings
  • English
  • Español
California Gov

California Air Resources Board

Main navigation

  • About
  • Our Work
  • Resources
  • Services
  • Rulemaking
  • Newsroom
  • Equity

Information

Used for general background content.

Information
2019 South Coast PM2.5 Contingency Measure
Information
2019 South Coast 8-Hour Ozone SIP Update
Information
Off-Road Compression-Ignition Certification Program: California Exhaust Emission Standards and Test Procedures for New 2011 and Later Tier 4 Off-Road Compression-Ignition Engines [(Part I - E) (Part 1065)]
Information
1998 Santa Barbara County 1-Hour Ozone Air Quality Management Plan
Information
2001 Santa Barbara County 1-Hour Ozone Attainment Demonstration and Maintenance Plan
Information
2007 Santa Barbara County 8-Hour Ozone Maintenance Plan
Information
2018 San Joaquin Valley PM2.5 Plan
Information
2016 San Joaquin Valley PM2.5 Plan
Information
2016 San Joaquin Valley 8-Hour Ozone Plan
Information
2013 San Joaquin Valley 1-Hour Ozone State Implementation Plan

Pagination

  • Previous page‹‹
  • Page 40
  • Next page››
more
Subscribe to Information

Contact Us

(800) 242-4450  |  helpline@arb.ca.gov 
1001 I Street, Sacramento, CA 95814
P.O. Box 2815, Sacramento, CA 95812

 

  • twitter
  • facebook
  • youtube
  • linkedin
  • email
  • Accessibility
  • Privacy Policy
  • Conditions of Use
  • Air Districts
  • Register to Vote
California Governor
Gavin Newsom Opens a New Window.
Secretary for Environmental Protection
Yana Garcia Opens a New Window.
Chair, California Air Resources Board
Lauren Sanchez Opens a New Window.

The California Air Resources Board is one of six boards, departments, and offices under the umbrella of the California Environmental Protection Agency.

  • CalEPA
  • CalRecycle
  • DPR
  • DTSC
  • OEHHA
  • SWRCB

Copyright © 2026 State of California