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An index of biological integrity (IBI) is a particularly powerful tool that provides an accurate measure of the condition of the biological communities and are a direct determinant of the attainment of aquatic life uses.
The AQI was developed to provide a simple, uniform way to report daily air quality conditions.
State and federal permits and regulations that are designed to protect groundwater and surface water (lakes, rivers, streams, and wetlands) apply to specific facilities and processes that could pose…
There are two types of federal air regulations, the National Emission Standards for Hazardous Air Pollutants (NESHAPs) and New Source Performance Standards (NSPSs). Either or both regulations may…
The MPCA is planning new rules governing air quality. The main purpose is to adopt new rules to implement and govern regulation of facilities that emit air toxics.
Image The goal of the MPCA's regulatory programs covering hazardous substances and solid waste is to prevent contamination of land, water, and air by…
SkyWater Technology violated federal laws and Minnesota rules, operating a semiconductor plant without an appropriate air permit in Bloomington, Minnesota.
The air quality alert issued by the Minnesota Pollution Control Agency (MPCA) remains in effect until noon on Wednesday, June 4. Fine particle levels are expected to reach the red air quality index (AQI) category, a level considered unhealthy for everyone, across east central, southeast, and northeast Minnesota.
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.
Air quality is expected to reach the red AQI category in southern Minnesota, which is unhealthy for everyone.The Minnesota Pollution Control Agency (MPCA) has…
The Minnesota Pollution Control Agency has issued an air quality alert for northwest, north central, and northeast Minnesota for Thursday, June 5, until 7 p.m. on Friday, June 6. Air quality is expected to reach the red AQI category, which is unhealthy for everyone.
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for northern Minnesota. The alert runs until 11 p.m. on Tuesday, July 15. Air quality is expected to reach the red AQI category, which is unhealthy for everyone.
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for all of Minnesota. The alert runs until 6 p.m. on Monday, June 2. Air quality is expected to reach the red AQI category in northern Minnesota, which is unhealthy for everyone. The rest of the state will reach the orange AQI category, which is unhealthy for sensitive groups.
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for northwest and north central Minnesota. The alert takes effect 6 a.m. on Friday, July 11, and runs until 6 p.m. on Friday, July 11. Air quality is expected to reach the purple AQI category in northwest Minnesota, which is very unhealthy for everyone.
Image Air quality is expected to reach the red AQI category in north central and northwest Minnesota, which is unhealthy for everyone.The Minnesota…
Resources and guidance for TMDL projects in Minnesota.
The frequent wildfires in California and elsewhere, brought on by climate change, are affecting air quality for thousands of miles. That includes Minnesota.
Air pollution levels in Minnesota have steadily decreased over the past few decades and currently meet federal standards. But even levels that meet or are below these standards can affect people’s…
Image Air quality is expected to reach the orange AQI category in northeast Minnesota, which is unhealthy for sensitive groups.The Minnesota Pollution…
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for north central and northeast Minnesota. The alert takes effect at 10 a.m. on Thursday, July 17, and runs until 1 a.m. on Friday, July 18. Air quality is expected to reach the orange AQI category which is unhealthy for sensitive groups.