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Historical Air Quality Data

Download South Coast AQMD’s Historical Air Quality Concentration Data 

Historical Air Quality by Year 

Historic Ozone Air Quality Trends from 1980 – Present 

California Air Resources Board (External sites)
Current and historic data for the South Coast area and the entire state of California 
Latest ozone summary 

United States Environmental Protection Agency’s Air Data (External site)
Download data from the Air Quality System

 

Related information:

Sign-up for Air Alerts 
(Customizable email alerts)

Please visit https://saltonseaodor.org for current hydrogen sulfide (H2S) monitored values in the Salton Sea area or to sign-up for H2S alerts. 

Contact
Meteorology Team
meteorology@aqmd.gov
Newsletter Sign Up
Periodic newsletter updates via Email on a variety of air quality-related topics

South Coast Air Quality Management District

21865 Copley Dr, Diamond Bar, CA 91765

909-396-2000

 

© 2019 South Coast Air Quality Management District