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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…
The Minnesota Pollution Control Agency (MPCA) has extended an air quality alert in the orange AQI category for northeast Minnesota through 7 p.m. on Wednesday, Aug. 6.
The Minnesota Pollution Control Agency (MPCA) has canceled portions of the current air quality alert for western and southern Minnesota. The alert runs until 11 p.m. on Friday, July 25. Fine particle levels are expected to reach the red air quality index (AQI) category, a level considered unhealthy for everyone, in east central Minnesota, and the orange AQI category, a level considered unhealthy for sensitive groups, across the remainder of the alert area.
The Minnesota Pollution Control Agency (MPCA) has continued an air quality alert for west central and northwest Minnesota. The alert runs until 11 p.m. on Tuesday, July 15. Air quality is expected to reach the orange AQI category which is unhealthy for sensitive groups.
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for east central, north central, northwest, and northeast Minnesota. The alert takes effect 1 p.m. on Saturday, July 19, and runs until 9 a.m. on Monday, July 21. Air quality is expected to reach the red AQI category, which is unhealthy for everyone.
A water quality variance is a temporary change in a state's water quality standard for a specific pollutant and its relevant criteria, allowing deviation from meeting a water quality-based effluent limit for a particular discharger.
Air sensors are instruments that measure air quality conditions in near real time.
Air quality map of current conditions in Minnesota.
The Air We Breathe report looks at public health and air quality data to gauge how air pollution is affecting our health in 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.
Businesses face challenges from climate change's impacts, but they can also take steps to reduce their contributions to climate change.
The MPCA solicited project proposals to distribute $1.6 million for climate planning projects to communities across Minnesota.
A 2008 law requires the MPCA to analyze and consider “cumulative levels and effects of past and current pollution” for air permits in a specific part of south Minneapolis.
The MPCA has released the draft 2025 Minnesota Nutrient Reduction Strategy for public review and comment.
The Minnesota Pollution Control Agency (MPCA) has extended an air quality alert for southeast and northern Minnesota. The alert is now in effect until 4 p.m. on Tuesday, Aug. 12, for southeast Minnesota and until 11 p.m. on Wednesday, Aug. 13 for northern Minnesota. Fine particle levels are expected to reach the orange air quality index (AQI) category, a level considered unhealthy for sensitive groups.
The MPCA sought applications from contractors to partner with auto repair shops, dealerships, tech colleges or other entities to identify and fix high-emitting vehicles.
Forms, guidance, and assistance to apply for an air quality permit.
To ensure that every person in Minnesota has healthy air to breathe, the MPCA studies, monitors, and regulates air pollutants, primarily in three categories: criteria pollutants, air toxics, and greenhouse gases.
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…