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Air Regulation Public Notices

Public hearings, meetings and comment information related to air regulations, policies and guidance for the Air Management Program are available below.

Information on air pollution control permit actions and public comment opportunities can be found on the Air Permit Public Notice page.

Upcoming Public Meetings, Hearings, Comment Periods and Notices

Type of NoticeTitleDate and TimeLocationContactAdditional Information
Public Comment PeriodExceptional Event Demonstration: 2023 June and July Canadian Wildfire Impacts on Ozone Concentrations in the Milwaukee Area: Waukesha Cleveland Avenue and University of Wisconsin-Milwaukee UParkComment period: May 8, 2026 to June 8, 2026

Comments may be submitted via email to Alex Oser or sent to

Alex Oser Department of Natural Resources Bureau of Air Management (AM/7) P.O. Box 7921, Madison WI 53707-7921

Alex OserThis Exceptional Event Demonstration describes how Canadian wildfire smoke influenced ozone concentrations measured in Waukesha County on June 2nd, June 19th, June 29th and July 25th, 2023, and in Milwaukee County on July 25th, 2023. Smoke impacts on these days led directly to the 2025 design values at the Waukesha Cleveland Avenue and University of Wisconsin- Milwaukee UPark monitors exceeding the 2015 ozone standard.
Public MeetingAnnual Air Monitoring Network PlanMonday June 8, 2026 10:00 a.m.Location: Join virtually using Microsoft Teams
Meeting ID: 255 047 285 949 022 
Passcode: rr38DQ2g
 
Erin Howard

At the June 8, 2026, public meeting, the DNR will review the changes that occurred previously, present an outline of proposed changes for 2026 and 2027 and take public comment on Wisconsin’s 2027 Air Monitoring Network Plan.

Publishing procedures

2011 Wisconsin Act 167 [exit DNR] went into effect on Aug. 1, 2012. This act requires the DNR to post hearing and permit notices on the department's website, in addition to newspapers. The date of posting on the DNR website now determines when the public comment periods end.