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EPA awards Minnesota $200 million in Climate Pollution Reduction Grants
Trichloroethylene and perchloroethylene have contaminated groundwater and caused vapor intrusion issues at this site.
The AQI was developed to provide a simple, uniform way to report daily air quality conditions.
Minnesota rules require many facilities that produce air emissions to conduct performance testing.
The air emissions breakdown/shutdown notification form is required by rule to prevent endangerment of human health or the environment.
An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.
Chemicals in the air toxics emission inventory.
The MPCA is working with the city of Minneapolis to identify sources of air pollution in North Minneapolis and find strategies to reduce emissions.
Where possible, permit holders must use MPCA's e-Services to apply for reissuance and administrative amendments.
Guidance for small businesses on reporting air emissions.
Communities facing the impacts of air pollution will soon have new resources to understand and improve the air quality in their neighborhoods after the MPCA awarded $…
From January through March 2025, MPCA air monitoring data showed elevated lead levels that exceeded national ambient air quality standards near the facility. An MPCA inspection of Gopher Resource in spring 2025 confirmed that the source of the elevated lead levels was addressed.
Projects to prioritize environmental justice areas
Northern Iron operates an iron foundry in an environmental justice area in Saint Paul's Payne-Phalen neighborhood.
Smith Foundry has ceased operations at its East Phillips facility after an investigation and settlement with the U.S. EPA that the MPCA supported.
The MPCA and the U.S. Environmental Protection Agency (EPA) are working together on an enforcement investigation to address elevated lead emissions at Federal Ammunition in Anoka.
The Minnesota State Implementation Plan (SIP) is focused on the six criteria air pollutants regulated by national ambient air quality standards (NAAQS): ground-level ozone, fine particles, lead, nitrogen dioxide, carbon monoxide, and sulfur dioxide.
Environmental information and permits that affect businesses using stationary engines or generators.
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.
As Minnesotans prepare for another summer of outdoor activities, MPCA meteorologists are forecasting a moderately active air quality season.