As the air pollution control agency for all of Orange County and the urban portions of Los Angeles, Riverside and San Bernardino Counties, SCAQMD collects data on current air quality, provides forecasts and analyzes trends in levels of pollutants. In addition, SCAQMD staff models and provides data for specific projects.
|Current Advisories ||-- ||PDF |
|Current Hourly Air Quality ||Map |
|Today's Forecast ||Map |
|Tomorrow's Forecast ||Map |
|Tomorrow's Forecast |
Text-based - includes Agricultural & Wildland Fires burn forecast
|-- ||Page |
|EPA AirNOW Air Quality Animation ||Map |
|CARB Current Ozone Summary ||Table |
|Check Before You Burn (residential fireplaces) |
(in effect Nov. 1 - end of Feb.)
|NOTE: Data for the current hourly air quality map are taken directly from the District's monitoring system and have not been validated and, therefore, are subject to change. Data for today's forecast map and tomorrow’s forecast map map are a result of air quality modeling calculations prepared by our meteorologists. |
Current Air Quality Data
The hourly data is available from the links above in two formats: (1) as AQI values for comparison against the health-based air quality levels, and (2) as monitoring data in ppm or μg/m3. The raw monitoring data can be downloaded also for specific date ranges. A description of the AQI levels and AQMD recommended cautionary statements can be found at Air Quality Index (PDF, 348kb).
Other Data Presentations
The California Air Resources Board has current and historic data for the South Coast, as well as the whole state, including the Latest Ozone Summary.
SCAQMD staff has developed meteorological data for use in dispersion modeling. Please click here
to access meteorological data for modeling.