Current Air Quality Data

Current Hourly Air Quality Index Map

Current Hourly AQI Map

(Click image above to view Map)

Current Readings at Air Monitoring Subregions (Air Quality Index and Concentration)

Current Air Monitoring Readings

(Click image above to view readings)

United States Environmental Protection Agency's AirNow (External site) 

Data presented on U.S. EPA's AirNow website uses South Coast AQMD's monitoring data. 

A description of the AQI levels and South Coast AQMD recommended cautionary statements can be found at Air Quality Index (PDF, 348kb). 

Related Information:

Wildfire Smoke & Ash Health Information & Safety Tips

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

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South Coast Air Quality Management District

21865 Copley Dr, Diamond Bar, CA 91765



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