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In 2023, Minnesota saw more air quality alerts covering more days than ever before. Smoke from Canadian wildfires throughout the summer caused many of the alerts, though climate change is playing a growing role in Minnesota's air quality.

Minnesota’s greenhouse gas (GHG) emissions dropped by 14% between 2005 and 2022, according to a biennial report from the Minnesota Pollution Control Agency (MPCA) and Minnesota Department of Commerce

Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.

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…

Bagnado, a 25-foot-tall spinning tornado of plastic bags, will return to Eco Experience at the Minnesota State Fair

Each year, MPCA hires seasonal positions to assist with biological monitoring of streams and wetlands during the summer months.

Composting your Halloween jack-o'-lantern is a good way to keep it out of the landfill. So is giving it to a local farmer.

“Urban wood,” or wood salvaged from cities, suburbs, and towns, is a growing issue in Minnesota because of severe weather, urban expansion, and the emerald ash borer. Rather than burning the trees as waste, a preferred option for dealing with urban wood involves creating durable wood products like furniture, building materials, and wooden décor.

MPCA staff toured three farms in southeastern Minnesota. The purpose of external communications is to show that the agency cares about education and outreach, and we get out in the field to learn on site.

All facilities with air permits must submit an annual emissions inventory report to the MPCA that tracks actual emissions of major pollutants at that facility.

Resources developed by the Minnesota Department of Health and the Minnesota Pollution Control Agency to help you spread the word about how Minnesota will reduce “forever chemicals” through Amara’s Law.

Environmental information and resources for gas stations.

Conditionally exempt facilities do not need an air quality permit if they follow specific requirements.

Residents' guide to stormwater permitting.

Create an editable spreadsheet of details about your facility to make calculations of emissions.

Image Facilities with one or more aboveground storage tank (AST) with a total capacity of one million gallons or more must obtain a major facility…

Trichloroethylene (TCE) is a man-made chemical commonly found in wood finishes, glues and adhesives, paint or paint removers, and spot and metal cleaners. Exposure can have significant effects…

Image Many commercial buildings in Anoka, Carver, Dakota, Hennepin, Ramsey, Scott, and Washington counties are required to recycle at least three of the…

The capped emission permit is designed for non-complex facilities that do not require site-specific permit conditions.

General permit intended for facilities using processes including abrasive blasting, brazing, catalytic or thermal oxidizers, dip tanks, injection molding, resin and gel coating, spraying and coating activities, and welding.