Staff work to reduce existing outdoor air pollution and prevent the worsening of air quality through our programs which evaluate, measure, permit, monitor, regulate, and inspect sources of air emission.

Source Emission Testing provides statewide oversight of compliance and quality assurance activities relating to stack emission testing performed in Michigan as required by permit conditions or state and …

Your comprehensive hub for up-to-date and historical air monitoring data across Michigan. Explore real-time pollutant monitoring data alongside the color-coded Air Quality Index (AQI) to stay informed …

The Air Quality Division provides access to facility-specific pages for locations identified as having significant community interest. These pages offer detailed information on emissions, permitting …

Air quality data, including ground-level ozone and particulate matter (PM) 2.5 data are available on the MiTracking data portal.

The Environmental Laboratory of the Department of Environmental Quality (DEQ) is the only state-run environmental laboratory for analyzing environmental samples for state government facilities.

The Air Quality Division posts information about facilities regulated by state and federal air quality regulations in the State of Michigan.

Since the early 1970’s, the Michigan Department of Environmental Quality (DEQ) has taken air pollution measurements of the outdoor or “ambient” air around the state.

The Air Quality Division (AQD) of the Michigan Department of Environment, Great Lakes, and Energy (EGLE) is responsible for developing and implementing state air quality rules and enforcing …

Homepage for the Michigan Department of Environment, Great Lakes, and Energy, the environmental protection agency for the state of Michigan.