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 Friday June 05 to 1200 AM Saturday June 06

IMPACTS...Ozone Action Day Alert is now in effect for the Front
Range Urban Corridor. on Friday, hot and stagnant conditions will
allow ozone to reach the Unhealthy for Sensitive Groups level. The
highest concentrations of ozone are expected in southern and
western portions of the Denver Metro area. On Saturday, beezy,
unsettled weather is expected, resulting in Good to Moderate ozone
concentrations. 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 midnight, Friday
night, June 5, 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...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.