Active Weather Alerts
Air Quality Alert
Issued: 10:11 PM Jul. 6, 2026 – National Weather Service
...OZONE ACTION DAY ALERT FROM 400 PM MONDAY UNTIL 400 PM TUESDAY... The Colorado Department of Public Health and Environment has issued the following... WHAT...Ozone Action Day Alert. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Monday July 06 to 400 PM Tuesday July 07 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot and smoky weather conditions will result in ozone concentrations reaching the Unhealthy for Sensitive Groups category Monday afternoon and evening, with Unhealthy levels of ozone possible in northern and western parts of the Denver metro area. Additionally, particle pollution is elevated due to wildfire smoke. Ozone could reach the Unhealthy for Sensitive Groups category again Tuesday afternoon and evening. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Tuesday, July 7, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone- pollution-and-your-health HEALTH INFORMATION...Greater likelihood of respiratory symptoms and breathing difficulty in active children and adults and people with lung disease, such as asthma; possible respiratory effects in general population. People with heart or lung disease, older adults, and children should avoid prolonged or heavy exertion. Everyone else should reduce prolonged or heavy exertion.
Local Radar