Annual Monitoring Network Report

This page last reviewed on July 7, 2017

The draft version of the California Air Resources Board 2017 Annual Network Plan, covering monitoring operations in 25 Air Districts in California is now available for public review. The public review period ends on August 9, 2017. Any comments or questions regarding the network report should be directed to:

Ms. Gayle Sweigert, Manager, Air Quality Analysis Section at (916) 322-6923.

Sunghoon Yoon, Air Pollution Specialist, Air Quality Analysis Section at (916) 323-8543.

Federal regulations require that the Annual Network Plan be submitted to the U.S. Environmental Protection Agency (U.S. EPA) after the 30-day public review period. Any comments received during the review period will be forwarded to the U.S. EPA along with the Annual Network Plan.

Annual Network Plan / Appendix A / Appendix B / Appendix C / Appendix D

Note that there are 35 air districts in California. Ten air districts that conduct ambient air quality monitoring are developing separate Annual Network Plans covering the ambient monitoring within their jurisdictions. This Annual Network Plan covers the 25 air districts for which the local air agencies are not drafting a separate report.

Additional information on California's monitoring network can be viewed through ARB's Monitoring Site Information page.

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