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Minnesota’s air currently meets all federal air quality standards. However, even levels of air pollution below the standards can affect people’s health, including levels currently found in parts of Minnesota.
Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.
The MPCA strives to ensure all people in Minnesota have clean air, regardless of where they live or work.
Image Air quality is expected to reach the orange AQI category in northern Minnesota, which is unhealthy for sensitive groups.The Minnesota Pollution…
Understanding small-scale differences in air pollution is important for minimizing exposure to harmful air pollutants, particularly for vulnerable communities.
MPCA’s community air monitoring pilot grant program will provide $4.85 million to build more networks of community air sensors in the Twin Cities metro area.
The frequent wildfires in California and elsewhere, brought on by climate change, are affecting air quality for thousands of miles. That includes Minnesota.
The MPCA's air monitors continually measure pollutants. With this data, the agency can track pollution trends over time and show if outdoor air meets air quality standards and health benchmarks.
Air sensors are instruments that measure air quality conditions in near real time.
Minnesota is a national leader in ensuring healthy air quality. The Clean Air Act requires states to take significant responsibility for preventing and controlling air pollution. States must pass…
Air pollution levels in Minnesota have steadily decreased over the past few decades and currently meet federal standards. But even levels that meet or are below these standards can affect people’s…
State experts anticipate an active summer for air quality alerts with recurring ozone and wildfire smoke events
As Minnesotans prepare for another summer of outdoor activities, MPCA meteorologists are forecasting a moderately active air quality season.
Forecast discussion
Hear Josh Krenz's story about protecting water in Minnesota at We Are Water MN, a traveling exhibit and community engagement program that explores Minnesotans’ relationships with water. You can visit the exhibit from March 2 through April 24 at the Sherburne History Center in Becker, Minn.
Minnesota continues to reduce industrial and transportation air pollutants that have the highest potential health risks. Investment in clean air for all Minnesotans is a top priority for the MPCA and Governor Walz.
Projects to prioritize environmental justice areas
The MPCA has released the draft 2025 Minnesota Nutrient Reduction Strategy for public review and comment.
Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.
Water quality trading is a market-based approach to the protection and restoration of surface waters, another tool to be used in conjunction with existing voluntary, regulatory, and financial assistance programs.