Ambient air monitoring
Air Quality Index (AQI)
Current air quality conditions, AQI forecasts, AQI summary reports, and historical air quality information.
Criteria pollutant data explorer (regulated pollutants)
Monitoring data for the six criteria pollutants: particulate matter, sulfur dioxide, nitrogen dioxide, lead, carbon monoxide, and ozone.
Air toxics data explorer
Maps, charts, and data tables provide historical information for more than 70 toxic air pollutants measured at Minnesota monitoring sites.
Minnesota air monitoring sites
Where we track air pollution and what pollutants are measured at each site.
Special monitoring projects
Results from projects that have investigated emerging pollutants of concern in particular locations and data collected during the investigations.
Air pollutant emissions
What's in My Neighborhood?
Find information about a permitted source of air emissions near you, or get a list of permittees in a specific location.
Statewide and county air emissions
All sources of air pollution in Minnesota, including point sources, mobile sources, fires, small diffuse sources and more.
Permitted facility air emissions data
Reported air emissions from permitted facilities in Minnesota.
Greenhouse gas emissions data
A summary of statewide greenhouse gas emissions trends and sources in Minnesota. Compare Minnesota emissions to the goals set by the Next Generation Energy Act of 2007.
Pollutants and sources (both big and small) that we predict will contribute the most to air pollution where you live, work, and play.
Meteorological, background, and ozone data
Access data that is ready to be used for AERMOD modeling and Tier 3 NOx modeling demonstrations.
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