Air Quality
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Enhancing Ozone Monitoring Across Wisconsin
As a nationally recognized leader in air quality monitoring, Wisconsin is paving the way for new monitoring techniques and tools; and people are watching.
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Ethylene Oxide
Ethylene oxide (EtO) is a flammable, colorless gas used to make other chemicals. It is necessary for the production of a range of products, including antifreeze, textiles, plastics, detergents and adhesives. Ethylene oxide also is used to sterilize…
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Air Monitoring Map for Industrial Sand Mine/Processing Plants
Industrial sand operations that have a requirement in their permit to monitor for particulate matter must provide ambient monitoring data to the DNR. The DNR Air Management Program works with industrial sand facilities to provide technical…
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Locations of Industrial Sand Mines and Processing Plants in Wisconsin
Industrial sand for use in the petroleum, glass and foundry industries has been produced in Wisconsin for over 40 years. The demand for sand increased exponentially starting in 2014, related to use of Wisconsin sand as a proppant in the extraction…
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Wisconsin's Air Quality Trends
There is a statewide network of 30 ozone monitoring sites and 18 fine particle (PM2.5) monitoring sites to measure ambient air quality in Wisconsin. In addition, the DNR monitoring network measures sulfur dioxide, nitrogen dioxide,…
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Air Toxics and Mercury
Air toxics, also called hazardous air pollutants (HAPs), are substances either known or suspected to cause cancer or other serious health problems, including damage to the immune, neurological, reproductive and respiratory systems. These pollutants…
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Sulfur Dioxide NAAQS Implementation
The U.S. Environmental Protection Agency (EPA) sets National Ambient Air Quality Standards (NAAQS) for criteria pollutants, including sulfur dioxide (SO2). On June 2, 2010, EPA revised the SO2 standard, establishing a one-hour primary standard of 75…
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Air Pollution Control Rules
Wisconsin's State Legislature creates and revises the Wisconsin Statutes
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Refrigerant Recovery Program
Wisconsin law prohibits the release of regulated refrigerants into the atmosphere. The release of regulated refrigerants generally occurs as refrigeration and air-conditioning equipment is salvaged or dismantled for disposal. The refrigeration…
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Air Quality Information for Health Professionals
Health professionals need to understand how air quality can affect the health of patients, students and clients. Whether you are a general practitioner, school nurse, health official, fitness trainer or sports coach, understanding air quality and…