• About the MIair Web Site
The Michigan DEQ MI air webpage displays air quality monitoring data and estimated Air Quality Index (AQI) values in near real-time. Data are provided as a public service and should be considered preliminary and subject to verification. As such, data should not be used to formulate or support regulation or guidance. In addition to viewing monitoring data, visitors to the site can receive the latest air quality forecasts, discussions, Action! Day declarations, and sign up for electronic notification services.

MIair is brought to you by the Michigan DEQ in partnership with the EPA AIRNow program.

• Air Quality Index
Maps & graphs of current data plus forecasts

• Action! Days
Action days tell how to reduce emissions and protect health.

• Notifications
Receive free, automated EnviroFlash e-mail or text forecasts.

• Monitoring Data
Continuous air monitor and meteorological data is displayed in near real-time.

• Ozone Maps

• PM2.5 Maps
Maps "show" air quality levels for ozone and fine particles.

• Links
DEQ air information as well as great links to EPA sites, local partners, and more.