As the air pollution control
agency for all of Orange County and the urban portions of Los Angeles,
Riverside and San Bernardino Counties, the AQMD collects data on current air
quality, provides forecasts and analyzes trends in levels of pollutants. In
addition, AQMD staff models and provides data for specific projects.
Current data is available in
several different ways. The current hourly data is available from the
Quality Map" or directly from the “Current Readings”
list. Animated maps showing AQMD ozone (May-October) and Particulate
Matter levels and forecasts are also available through the EPA AIRNow
website at "Animated
Air Quality Map"
The air quality forecast is
updated on a daily basis and is available in text form at "Daily
Air Quality Forecast" or as a clickable map at "Today's
Forecast." A color version of the air quality forecast in terms of
Air Quality Index (AQI) that is sent to schools, parks and recreational
facilities is also available at “Air Quality Forecast (AQI)”. Tomorrow’s
forecast is typically available by noon each day and can be viewed at "Tomorrow's
Forecast" as a clickable map. A description of the AQI
levels and AQMD recommended cautionary statements can be found at
Air Quality data, trends and
special studies are available via the Air Quality Data
page. In addition, the California
Air Resources Board has current and historic data for AQMD and many
other areas in California.
you are a consultant needing Meteorological data
for dispersion modeling, click on the link to Meteorological Data for
Click here for information to receive Air
Quality Forecast by Email.