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Minnesota rules require many facilities that produce air emissions to conduct performance testing.
Planned amendments to Minn. Rules ch. 7050 affect the Class 1 beneficial use, which protects waters (both surface and groundwater) used as a source for domestic consumption.
The Minnesota Pollution Control Agency has issued an air quality alert for west central, north central, northwest, and central Minnesota. The alert takes effect at 6 a.m. on Saturday, May 31 and runs until 6 p.m. on Sunday, June 1. Air quality is expected to reach the red AQI category which is unhealthy for everyone.
Ardent Mills LLC, a flour mill in Lake City, paid $10,200 for air permit violations.
Grede Foundry violated the terms of its air permit in 2024, according to a Minnesota Pollution Control Agency investigation.
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.
An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.
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.
New easy-to-access trainings help small businesses figure out if they are subject to MPCA regulations, and how to become more sustainable.
Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.
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.
Question and answer session with Lisa Weidemann, a community affairs specialist with the MPCA, about her work with the agency.
Chemicals in the air toxics emission inventory.
Conditionally exempt facilities do not need an air quality permit if they follow specific requirements.
The MPCA fined West Fraser Forest Products $24,750 for exceeding the total amount of hazardous air pollutants (HAPs) allowed by the air permit for the company’s Solway facility from January 2024 to January 2025.
New major-emitting industrial facilities and major modifications of existing facilities must obtain a permit before construction and include the best pollution-control technology available if they significantly increase emissions.
Environmental information and permits that affect wood-finishing industries.
State experts anticipate an active summer for air quality alerts with recurring ozone and wildfire smoke events
MPCA had approximately $250,000 available to reduce emissions of volatile organic compounds (VOCs) through the use of stage 1 vapor recovery systems at gasoline-dispensing facilities throughout Minnesota.
When people think of sources of air pollution, they typically think about buildings with big smokestacks like power plants and factories. Only about a quarter of the air pollution in Minnesota comes…