Air Quality Division: Assessment

The Air Quality Division uses atmospheric measurements, weather modeling, and research to continually monitor and assess Arizona's air quality.

ADEQ's Air Quality Forecasting program provides air quality forecasts for several areas throughout Arizona. ADEQ forecasters issue the following forecast products six days a week (Sunday – Friday).

To receive email or text notification of these forecasts, sign up for Daily Air Alerts.

Additionally, the forecast can be heard on the ADEQ hotline at (602) 771-2367 or (800) 234-5677.

The U.S. EPA: Air Quality System (AQS) contains ambient air pollution data collected by the U.S. EPA, state, local, and tribal air pollution control agencies from thousands of monitoring stations.

Air Quality Data Sources:

Smoke Management

The Air Quality Division monitors potential air quality impacts from smoke due to forest fires and issues permits to allow selected open burning activities.


Air Quality Monitoring

ADEQ conducts ambient air quality monitoring throughout Arizona. Environmental parameters measured in this monitoring network include criteria pollutants (O3, SO2, PM10, PM2.5, CO, and Pb), air toxics, and meteorology. ADEQ's Ambient Air Quality Monitoring Network Plan contains a detailed description of this network. Please visit ADEQ's Annual Reports for information on previous network plans.

Visibility and Monitoring Information

In addition to ADEQ's monitoring network, several county air quality agencies also conduct ambient air quality monitoring.

National Links

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