Updated link: Wyoming Air Quality Advisory Board Meeting

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Wyoming Department of Environmental Quality

Air Quality Division: Rulemaking Public Meeting and Comment period

Air Quality Advisory Board Meeting 

The Wyoming Air Quality Advisory Board (Board) will meet will meet on July 11, 2023 at 9:00 AM. The meeting will be held both as a virtual public meeting and in person at 200 W. 17th St., Cheyenne, WY, 3rd Floor, Room 313. To attend the meeting remotely, please register at https://deq-wyoming-gov.zoom.us/meeting/register


The Air Quality Division (Division) is requesting the Board’s consideration on proposed changes to the following Wyoming Air Quality Standards and Regulations (WAQSR):

  • Chapter 2 Ambient Standards
  • Chapter 3 General Emissions Standards
  • Chapter 4 State Performance Standards for Specific Existing Sources
  • Chapter 5 National Emission Standards
  • Chapter 8 Nonattainment Area Regulations
  • Chapter 11 National Acid Rain Program
  • Chapter 14 Emission Trading Program Regulations

The proposed rulemaking involves:

  • Removing outdated State Plan requirements that have been superseded by a Federal Plan in Chapter 4.
  • Revising the incorporation by reference sections in the aforementioned chapters of the WAQSR to incorporate all Code of Federal Regulations citations as of July 1, 2023.
  • Various updates to chapter formatting, typographical revisions, and improvements to the general readability of the regulations that occur throughout the seven chapters.

The proposed revisions to all seven chapters involve changes to the Wyoming State Implementation Plan (SIP). The Division will submit these SIP revisions to the Environmental Protection Agency.

The Air Quality Division will provide the Board with updates on current activities and topics pertaining to air regulation that may affect Wyoming.

Copies of the agenda, public notice, and proposed rule changes are available for public inspection at the DEQ, Air Quality Division, 200 W. 17th St., Cheyenne, Wyoming or electronically at:

Updated link: https://deq.wyoming.gov/aqd/rule-development/proposed-rules-and-regulations/ 

Para español, visite https://deq.wyoming.gov

If you have questions regarding the meeting or to request a hard copy of any of the materials, please contact Amber Potts at 307-777-2489.

For additional information please contact Nancy Vehr, Administrator, Air Quality Division, at 307-777-3746.

Comment Period: June 9, 2023 - July 11, 2023 5 p.m. (MST)

The public may comment on all matters during the Board meeting.

  • All oral comments made during the meeting will become part of the administrative record.
  • Written comments will also become part of the administrative record if they are signed by the commenter and submitted to: Nancy Vehr, Administrator, DEQ Air Quality Division, 200 W. 17th St., Cheyenne, Wyoming, 82002

In accordance with the Americans with Disabilities Act, special assistance or alternative formats will be made available upon request for individuals with disabilities.

Stay informed:

We encourage you to sign up for our DEQ Air Quality Division Rules and Regulations email notices so you can receive ongoing updates on proposed rules and regulations, meetings, public hearings and more.

Thank you for your interest in keeping the Wyoming Department of Environmental Quality committed to it's mission. 

"To protect, conserve and enhance the quality of Wyoming’s environment for the benefit of current and future generations."