Forecasts may differ from the current AQI and users should check the current AQI measurements at to plan outdoor activities. 

Fact Sheet on Air Quality Forecasting for South Coast AQMD (PDF, 376k)

Today's Air Quality Forecast


Tomorrow's Air Quality Forecast


Day After Tomorrow's Air Quality Forecast - If Available


Related Information: 

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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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