Wyoming Department of Environmental Quality

02/26/2026 | News release | Distributed by Public on 02/26/2026 10:53

Public Notice: 2021 Air Quality Division Exceptional Event Demonstration Released for Public Comment

STATE OF WYOMING

Department of Environmental Quality - Air Quality Division

2021 Exceptional Events Demonstration

The Wyoming Air Quality Division (AQD) will submit an Exceptional Events Demonstration for 2021 Ozone exceedances attributed to wildfire smoke to EPA Region 8 in accordance with 40 CFR 50.14. The AQD is soliciting comments from the interested public on this Exceptional Events Demonstration. The plan is available for public comment, and the public will be allowed a period of thirty (30) days to submit written comments. Public comments must be received no later than March 30, 2026. All comments received by the close of business on March 30, 2026, will be submitted to EPA's Region 8 along with the Exceptional Events Demonstration and will be retained on file in the Cheyenne office.

Notice is hereby given the State of Wyoming, Department of Environmental Quality, Air Quality Division, proposes to submit the 2021 Exceptional Events Demonstration for Ozone exceedances to the EPA.

Comments can be submitted to the AQD's Air Pollution Monitoring Program Manager, Mr. Mark R. Gagen, Air Pollution Monitoring Program Manager, Air Quality Division, Department of Environmental Quality, 200 West 17th Street, 3rd Floor, Cheyenne, Wyoming 82002. Comments may also be submitted electronically through the following website: ( https://aq.wyomingdeq.commentinput.com/comment/search ). Comments submitted by email will not be accepted. Interested parties may examine the documentation packet and relevant supporting materials on AQD's website https://deq.wyoming.gov/aqd/monitoring/ . In accordance with the Americans with Disabilities Act, special assistance or alternate formats will be made available upon request for individuals with disabilities. Para espanol visite deq.wyoming.gov .

Please note that the Wyoming Department of Environmental Quality Cheyenne Office has moved.
The new address is:

200 West 17th Street
Cheyenne, WY 82002

Wyoming Department of Environmental Quality published this content on February 26, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on February 26, 2026 at 16:54 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]