Air Quality Control Commission

The Colorado Air Quality Control Commission (AQCC) is appointed by the governor and authorized by the Colorado General Assembly to oversee Colorado’s air quality program according to the Colorado Air Pollution Prevention and Control Act, Section 25-7-101 et seq., C.R.S., as amended. The purpose of the commission is to adopt a cost-effective and efficient air quality management program that promotes clean and healthy air for Colorado's citizens and visitors, protect Colorado's scenic and natural resources, and promotes statewide greenhouse gas pollution abatement.
AQCC HOT TOPICS
Sign up to be added to the Commission's email list
Please email cdphe.aqcc@state.co.us regarding any questions you may have
View the Commission's long term calendar
AQCC meetings are live streamed & recorded (starting August, 2025)![]()
October 30, 2025; AQCC commissioners may attend the
RAQC Ozone Attainment Forum.
View the Rulemaking Guidebook. All required templates are listed below.
Parties:
Proponent:
Guía del Proceso de Creación de Reglas
View all of the commission Guidebooks on the AQCC public participation and hearing guidance webpage.
This meeting will begin at 4:30 p.m. on Wednesday, November 19th (virtual via Zoom) and 9 a.m. on November 20th & 21st (hybrid - in person, 4300 Cherry Creek Drive South, Building A - in the Sabin Conference Room, Denver, CO 80246 and via Zoom).
- November 19-21 Meeting Agenda
- November 19-21 Meeting Materials
- November 19-21 Meeting Registration (Zoom Registration is to attend this public meeting as well as sign up to provide public comment)
Be sure to save your confirmation email as it will provide you access to join the meeting.
Sign-up for public comment closes the morning of the meeting at 8 a.m. If public comment slots fill before the morning of the meeting, a waitlist will be started. A list of registered public commenters will be posted to the commission's website in the meeting materials folder. Comments will be heard from those that signed up first.
Written comments on any air quality topic are welcome at: cdphe.aqcc@state.co.us. Once registration is full for the allotted time, registration will be closed.
This meeting will begin at 4:30 p.m. on Wednesday, December17 (virtual via Zoom) and 9 a.m. on December 18 & 19 (hybrid - in person, 4300 Cherry Creek Drive South, Building A - in the Sabin Conference Room, Denver, CO 80246 and via Zoom).
- December 17-19 Meeting Agenda (coming soon)
- December 17-19 Meeting Materials
- December 17-19 Meeting Registration (Zoom Registration is to attend this public meeting as well as sign up to provide public comment)
Be sure to save your confirmation email as it will provide you access to join the meeting.
Sign-up for public comment closes the morning of the meeting (Wednesday, December 17) at 8 a.m. If public comment slots fill before the morning of the meeting, a waitlist will be started. A list of registered public commenters will be posted to the commission's website in the meeting materials folder. Comments will be heard from those that signed up first.
Written comments on any air quality topic are welcome at: cdphe.aqcc@state.co.us.
Next Executive Committee meeting is scheduled for Thursday, December 4 beginning at 9 am as an online meeting only. Executive Committee meetings are used to discuss the next month's agenda and logistics of the meeting. Members of the public are welcome to attend however public comments are not taken during this meeting. Please contact the commission office at cdphe.aqcc@state.co.us if you would like to attend this meeting.
Please note that all dates and times are tentative and subject to change. Dates and times are updated regularly on the Commission Long Term Calendar. For further information contact the commission's office (cdphe.aqcc@state.co.us).
Commission meetings may be conducted as a hybrid meeting (in person & virtual via Zoom) or virtual only via Zoom.
- Register for the November 19-21, 2025 AQCC Meeting
- Register for the December 17-19, 2025 AQCC Meeting
- Register for the January 14-16, 2026 AQCC Meeting
- Register for the February 18-20, 2026 AQCC Meeting
- Register for the April 15-17, 2026 AQCC Meeting
- Register for the May 20-22, 2026 AQCC Meeting
- Register for the July 15-17, 2026 AQCC Meeting
- Register for the August 19-20, 2026 AQCC Meeting
- Register for the September 16-18, 2026 AQCC Meeting
- Register for the October 14-16, 2026 AQCC Meeting