Arizona Air Quality Forecast
Updated On: 12/12/2019 - 3:05 PM
The maps below display the color of the highest Air Quality Index (AQI) by county. For a more detailed hourly forecast, click one of the following locations: Phoenix | Nogales | Tucson | YumaAir Quality Index
Switch to: Ozone | PM10 | PM2.5Today (12/13/2019)
















Notice:
PM2.5 Health Watch in effect for Nogales Thursday (12/12) and Friday (12/13).Tomorrow (12/14/2019)
















*Not all counties have monitors for all pollutants (ozone, PM10, and PM2.5).
*Forecasts in some counties cannot be verified due to lack of monitors.
*High Pollution Advisories and Health Watches are only issued for locations with detailed forecasts (Phoenix, Tucson, Yuma, Nogales, and Pinal County).