Annual Monitoring Network Report

This page last reviewed on June 27, 2014

The 2014 Annual Monitoring Network Report for Twenty-three Districts in California (PDF) is now available for a 30-day public review period.

Any comments or questions regarding the network report should be directed to:

Mr. Pheng Lee, Air Pollution Specialist, Air Quality Analysis Section at (916) 445-6059 or
Ms. Gayle Sweigert, Manager, Air Quality Analysis Section at (916) 322-6923.

Federal regulations require that the annual monitoring network report be submitted to the U.S. Environmental Protection Agency (U.S. EPA) after the public review period has concluded.

Please note that twelve local air agencies in California that operate monitoring sites are developing separate Annual Network Plans covering the ambient monitoring within their jurisdictions. This report covers the 23 air districts for which the local air agencies are not drafting a separate report.

Additional information on California's monitoring network can be viewed at: