Measuring the ambient air is done using a network of monitoring stations located throughout Spokane County. We monitor for the criteria air pollutants that are most prevalent in Spokane's airshed, which includes ozone, fine particles (PM2.5) and coarse particles (PM10). Ozone is only monitored during ozone season (May - September).
Monitoring air quality and weather patterns enables us to:
Below is a list of current air monitoring stations in Spokane County. Select a station to get more information.
The U.S. EPA has a website that provides information for citizen scientists and others on how to select and use low-cost, portable air sensor technology and understand results from monitoring activities. The information can help the public learn more about air quality in their communities.