Summer is ozone pollution season. And Ozone Action Alerts are issued on days when meteorologists from the Colorado Department of Public Health and Environment (CDPHE) expect weather conditions to lead to increased ground-level ozone concentrations in the metropolitan-Denver and Front Range region. An alert indicates the potential for elevated 8-hour ozone levels. The alert will remain in effect for 24-hours.

Watch for alerts on hot, still summer days.

Between June 1 and August 31, the Regional Air Quality Council (RAQC) in conjunction with CDPHE, will issue daily ozone advisories at 4 pm. The RAQC issues the alerts to the media, individuals, local governments and businesses. In general, hot, sunny and windless conditions increase the likelihood of high ozone concentrations, while clouds, wind and more moderate temperatures can help prevent ozone formation.

Sign up for alerts. Be in the know.

To find out about current air quality conditions, visit this site often. To sign up to receive Ozone Action Alerts, click here.

  • Refuel in the evening
  • Stop at the click – do not overfill gas tanks when refueling
  • Tighten gas cap after refueling
  • Keep vehicles well maintained
  • Mow in the evening
  • Use new earth friendly lawn equipment

We’re here to help.

If you have questions or need more information, please contact the Regional Air Quality Council at staff@raqc.org or 303-629-5450, ext 220. Or visit this page: www.colorado.gov/airquality