Search

Air quality alert continues due to wildfire smoke for Thursday, June 12, for central and southern Minnesota

The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for central and southern Minnesota. The alert runs until 11 p.m. on Thursday, June 12. Air quality is expected to reach the orange AQI category in central and southern Minnesota, which is unhealthy for sensitive groups.

Air quality alert issued due to wildfire smoke for Wednesday, July 23, through Friday, July 25, for northwest Minnesota

The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for northwest Minnesota. The alert takes effect 6 a.m. on Wednesday, July 23, and runs until 11 p.m. on Friday, July 25. Air quality is expected to reach the red AQI category in northwest Minnesota, which is unhealthy for everyone.

Air quality alert due to wildfire smoke continues through Monday, July 14, for northern Minnesota

The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for northern Minnesota. The alert runs until 6 p.m. on Monday, July 14. Air quality is expected to reach the red AQI category, which is unhealthy for everyone.

Long-term biological monitoring of rivers and streams

MPCA established a network of long-term biological monitoring stations that represent a variety of stream types in their most natural condition.

Air quality alert continues through Monday, July 21, for parts of northern and central Minnesota

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.

Calculating emissions

Permit applications must include detailed emissions calculations to help determine which permit type or permit amendment is needed.

How Minnesota passed the country’s first ban on trichloroethylene

Less than three years after Minnesota passed the country's first ban on TCE, a carcinogenic solvent, facilities around the state have removed it from their processes.

Nitrogen

Nitrogen, like phosphorus, is a nutrient that pollutes in state waters, and its concentration in many rivers has been increasing from historic natural levels over time due to human influences.…

Eco Living - How to make sure your recycling gets recycled

How to prepare recycling for the curb

Are smoky summers the new normal?

Does it seems like the number of alerts due to wildfires has increased in the past few years? We’ve had 46 air-quality alerts since 2015—34 of those due to wildfire smoke.

Air quality alert due to wildfire smoke extended through 4 p.m. Tuesday, Aug. 12, for southeast Minnesota and through 11 p.m. Wednesday, Aug. 13, for northern Minnesota

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.

Air quality alert issued due to wildfire smoke for Sunday, June 8, for all of Minnesota

Image Air quality is expected to reach the orange AQI category for all of Minnesota, which is unhealthy for sensitive groups.The Minnesota Pollution…

Cleaning up the St. Louis River

The MPCA is collaborating with many federal, Tribal, state, and local partners to clean up contaminated sites in the Duluth harbor and St. Louis River.

Diving for healthier lakes in Otter Tail County

James Wooton puts his scuba diving skills to work monitoring for aquatic invasive species in Otter Tail County lakes.

Climate change impacts

Our climate has already changed and will continue to change. Minnesotans are feeling impacts of climate change, from higher temperatures, more extreme storms with intense flooding, and changes in our…

Air quality alert issued due to wildfire smoke for Tuesday, July 29, through Wednesday, July 30, for north and central Minnesota

The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for north and central Minnesota. The alert runs until 11 p.m. on Wednesday, July 30. Fine particle levels are expected to reach the red air quality index (AQI) category, a level considered unhealthy for everyone, across north central, northwest, northeast, and east central Minnesota, and the orange AQI category, a level considered unhealthy for sensitive groups, across central, east central, west central, north central, and northwest Minnesota.