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Air Quality

  • Hearing/Meeting

    Wisconsin Department of Natural Resource's Air Management hearing for Tyco Fire Products LP, 438039470-F30

    The Department of Natural Resources (DNR) will hold a public hearing to receive public comments on the air pollution control permit application for the renewal of Air Pollution Control Operation Permit 438039470-F30 for Tyco Fire Products LP.

  • Hearing/Meeting

    Proposed Attainment Plan for the Oneida County 2010 SO2 NAAQS Nonattainment Area

    The DNR is proposing to submit this SIP revision to the U.S. EPA. It has been developed to demonstrate the attainment of the 2010 one-hour Sulfur Dioxide (SO2) National Ambient Air Quality Standard for the partial Oneida County nonattainment area.

  • News

    DNR Natural Resources Board Honor Awarded To Gail Good

    The Wisconsin Department of Natural Resources (DNR) announced today that Gail Good, DNR Air Management Program Director, will receive the 2020 Rebecca Wallace Memorial Award. Good received the award at the Wisconsin Natural Resources Board (NRB) meeting on Wednesday, Jan. 27, 2021.

  • News

    DNR Offers New Resources For Public Interested In Air Quality Monitoring

    Whether it’s respiratory concerns, wildfire smoke tracking or just sheer curiosity, the public is interested in air quality monitoring. New tools from the Wisconsin Department of Natural Resources (DNR) allow the public to get involved in the tracking and reporting this information using low-cost air quality sensors.

  • News

    New Study Shows Air Quality Improving In The Dairy State

    Wisconsin’s air quality is improving. The Wisconsin Department of Natural Resources (DNR) 2020 Air Quality Trends Report has been released and confirms decreasing concentrations of most pollutants across the state.

  • News

    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.

  • Webpage

    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…

  • Webpage

    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…

  • Webpage

    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…

  • Webpage

    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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