Current 8-Hour Ozone Summary

Ozone Summary through April 26, 2026 8-hour Ozone Summary is based on 8-hour averages of raw 1-hour ozone data from the Colorado Department of Public Health and Environment (CDPHE) through EPA AirNow and consistent with Data Reporting and Handling Conventions outlined...

Clean Air Champions Nominations Open Until June 1, 2026

As the lead air quality planning organization for the Metro Denver/North Front Range Ozone Nonattainment Area, the Regional Air Quality Council recognizes leaders and businesses that demonstrate a commitment to improving the region’s air quality through its Clean Air...