The Current Air Quality Index (above) applies to the entire county. It reflects the air pollutant with the highest reading in the monitoring network. The map below provides information for each monitoring site in the network. Learn more about the Air Quality Index. (If you are using Internet Explorer, the map may not display correctly. If the map is loading slowly or not working, try deleting cookies from your web browser and restarting the browser.)
5/21/19: The Turnbull PM10 monitor will be down for annual maintenance. It is expected to be back up and running next week.
06/18/18: The Airway Heights air quality monitoring station was removed due to remodeling at the host's location. The station will be down a minimum of 18 months.
Fine Particulate Matter (PM2.5) is the dominant air pollutant in the current hour.
Updated 2019-05-24 01:35:00 am
Click a location on the map for more information.
Fine Particulate Matter (PM2.5) monitoring stations (AQI value)
Other Pollutant Monitoring Stations