Search

An air emission permit is a legal document that describes how a facility must operate to meet state and federal air regulations, and to minimize the impact of air emissions on people and the…

Kate Knuth's career in addressing climate change, which took her to the Minnesota Capitol as a state legislator, has now led her to the MPCA as its new climate director.

The Minnesota Pollution Control Agency has issued an air quality alert for northeast Minnesota. The alert takes effect at 8 a.m. on Thursday, May 29, and runs until 6 p.m. on Friday, May 30. The affected area includes Two Harbors, Hibbing, Ely, Duluth, and the Tribal Nations of Grand Portage and Fond du Lac. Air quality is expected to reach the red AQI category which is unhealthy for everyone.

Governor Walz appointed Katrina Kessler as MPCA commissioner effective November 1. Kessler has been serving as an assistant commissioner.

Apply for the 2025-2026 Minnesota GreenCorps program and spend a year working on environmental issues and making a difference in communities around the state.

Air quality is expected to reach the red AQI category across all of Minnesota, which is unhealthy for everyone.The Minnesota Pollution Control Agency (MPCA) has…

The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for all of Minnesota. The alert takes runs until 9 a.m. on Monday, July 14. Air quality is expected to reach the purple AQI category in northernMinnesota, which is very unhealthy for everyone.

Hot mix asphalt plants in Minnesota must follow federal and state air standards.

Thanks to years of restoration efforts, the MPCA confirmed the Kabekona River meets water quality standards for recreation and proposed its removal from the 2026 impaired waters list.

Grants to replace older diesel vehicles with cleaner models, improving air quality and public health.

Ready-to-run meteorological data suitable for AERMOD.

The MPCA has announced five grant recipients who will receive a combined total of more than $1 million in grants for projects to increase the efficiency and effectiveness of waste reduction, reuse, recycling, and composting efforts in Greater Minnesota communities.

Particulate matter (PM) refers to various air particles, including dust, soot, smoke, and liquid droplets that range in size from less than 0.1 microns in diameter (smaller than a single bacterium)…

The Minnesota Pollution Control Agency has developed a draft air permit for MagIron LLC in Coleraine that will require a fugitive dust control plan to help reduce emissions of particulate matter from roads, storage, stockpiles, and exposed mining areas.

Advisory group exists to elevate environmental justice as an agency priority and to integrate environmental justice considerations into agency programs and decision-making.

Image Air quality is expected to reach the orange AQI category in western and central Minnesota, which is unhealthy for sensitive groups.The Minnesota…

Air quality is expected to reach the orange AQI category, which is unhealthy for sensitive groups, in the Twin Cities and central Minnesota

Four watershed scientists had an article published in LakeLine magazine. They report on 20 years of success getting lakes cleaned up.

A brownfield assessment is a property investigation looking for potential contamination.

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.