Clean air provides usthe opportunity tobreathe easy.
We collaborate to improve air quality and protect Colorado’s health, environment, and economy through planning, policy development and program implementation.
Where to start
- Find a programVouchers for electric lawn equipment, clean air auto repair, shared e-bikes and ozone alerts.
- Come to a meetingBoard and committee meetings are open to the public and seek input from stakeholders.
- Get involvedJoin a committee work group or suggest a strategy to reduce ozone pollution.
- DonateGive to the RAQC Clean Air Fund, a 501(c)(3) public charity that supports our programs.
Open to the public
Upcoming events and meetings
The 2026 ozone season
Front Range residents experienced 66 days this summer with concentrations of ground-level ozone that exceeded the federal standard, placing the 2026 ozone season among the most challenging since 2000, according to analysis from the Regional Air Quality Council (RAQC).
Number of Exceedances of the Levels of the Ozone Standards in the Denver Metro/North Front Range Nonattainment Area, 1995 to Present
- 71–75 ppb
- Above 75 ppb
Show the numbers
| Year | Days 71–75 ppb | Days above 75 ppb | Total days above 70 ppb |
|---|---|---|---|
| 2026 | 24 | 42 | 66 |
| 2025 | 17 | 6 | 23 |
| 2024 | 19 | 22 | 41 |
| 2023 | 17 | 10 | 27 |
| 2022 | 18 | 17 | 35 |
| 2021 | 19 | 48 | 67 |
| 2020 | 10 | 19 | 29 |
| 2019 | 15 | 7 | 22 |
| 2018 | 23 | 25 | 48 |
| 2017 | 23 | 13 | 36 |
| 2016 | 13 | 12 | 25 |
| 2015 | 10 | 17 | 27 |
| 2014 | 18 | 10 | 28 |
| 2013 | 25 | 19 | 44 |
| 2012 | 33 | 33 | 66 |
| 2011 | 19 | 29 | 48 |
| 2010 | 21 | 16 | 37 |
| 2009 | 10 | 8 | 18 |
| 2008 | 23 | 19 | 42 |
| 2007 | 29 | 24 | 53 |
| 2006 | 29 | 34 | 63 |
| 2005 | 18 | 22 | 40 |
| 2004 | 15 | 9 | 24 |
| 2003 | 21 | 41 | 62 |
| 2002 | 20 | 38 | 58 |
| 2001 | 15 | 13 | 28 |
| 2000 | 25 | 25 | 50 |
| 1999 | 14 | 15 | 29 |
| 1998 | 16 | 28 | 44 |
| 1997 | 15 | 9 | 24 |
| 1996 | 30 | 18 | 48 |
| 1995 | 15 | 14 | 29 |
For residents
Programs that cut ozone pollution
Residents and organizations
Mow Down Pollution
Vouchers to swap gas lawn equipment for electric.
Visit MowDownPollution.org
Drivers
Clean Air Auto Repair
Finds high-emitting vehicles and helps repair them.
Visit CleanAirAutoRepair.org
Residents of partner housing communities
Accessible Bikes for Community
Shared e-bike libraries at subsidized housing.
Learn more about ABC
Everyone on the Front Range
Simple Steps. Better Air.
Ozone alerts by text or email, plus simple steps to take.
Visit SimpleStepsBetterAir.org
Schools, local governments and small businesses
Engines Off
Cuts emissions from idling vehicles.
Visit EnginesOff.org
Businesses, legislators and community members
Clean Air Champions
Yearly awards for people and groups improving our air.
Learn more about Clean Air Champions
Donate to the RAQC Clean Air Fund
The RAQC Clean Air Fund, a 501(c)(3) public charity, is dedicated to funding and supplementing RAQC air quality programs that reduce Ozone within the EPA’s Denver Metro/Front Range Ozone Non-Attainment Area.