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 Wednesday July 02 to 400 PM Thursday July 03
IMPACTS…Ozone Action Day Alert is now in effect for the Front
Range Urban Corridor. Hot, stagnant weather will continue,
allowing ozone to reach the Unhealthy for Sensitive Groups
category on Wednesday and Thursday. 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.
Thursday, July 3, 2025. 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…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.