Air Monitoring Sites - Interactive Map

This page last reviewed July 22, 2014


Please note: The map is not compatible with older Internet Explorer browsers. Please update to v.11 or later.

This map was created using Google Maps API v3 by Eric Burton and Dustin Goto, Air Resources Board


These sites are currently operating throughout California, and are audited by the Quality Assurance Section. You can browse for sites by county, air basin, or air district. Clicking a site will give you basic information and a link for more details.


Add or Remove Boundaries:


County Boundaries

Air Basin Boundaries

Air District Boundaries


Zoom to an area:


Browse by County:

Browse by Air Basin:

Browse by Operating District:




Site Information Menu Top Page Quality Assurance Programs Search QA Site Information Database

For Air Monitoring Site related inquiries, please contact:
Mr. Ranjit Bhullar, Manager
Quality Assurance Section

preload