Annual Monitoring Network Report

This page last reviewed on July 9, 2019

The California Air Resources Board 2019 Annual Network Plan, covering monitoring operations in 25 Air Districts in California is now available at the link below. 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. The public review period ended on July 5, 2019, and the plan was submitted to the U.S. EPA on July 9, 2019. If you have any questions on the Plan, please contact:

Jin Xu, Manager, Air Quality Analysis Section at (916) 327-1511

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

Annual Network Plan

Workshop/Webinar Presentation (PPT)

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