× Air Quality Alert
Until 2024-09-08T00:00:00-06:00 • National Weather Service
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 Saturday September 07 to 1200 AM Sunday September 08 IMPACTS...Ozone Action Day Alert is now in effect for the seven- county Denver- Boulder metropolitan area. Concentrations of ozone are expected to reach levels that are Unhealthy for Sensitive Groups on Saturday in locations in and near the Denver Metro area. Ozone is expected to remain Good to Moderate on Sunday. For areas included in this advisory that are not expected to exceed the Unhealthy for Sensitive Groups (USG) air quality designation, we request that activities, such as driving non-ZEV vehicles (i.e., gas or diesel), be reduced to lessen the impacts on neighboring air quality. Additional air pollution in this region may directly worsen air quality or contribute to precursors which may also adversely affect air quality. For Colorado air quality conditions, forecasts and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx HEALTH INFORMATION...Increasing likelihood of respiratory symptoms and breathing discomfort in active children and adults and people with lung disease, such as asthma. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion.