Air Quality Alert

COC014-005-069-123-059-035-013-001-031-170600-
Broomfield-Arapahoe-Larimer-Weld-Jefferson-Douglas-Boulder-
Adams-Denver-
410 PM MDT Mon Jun 16 2025

...OZONE ACTION DAY ALERT FROM 400 PM MONDAY UNTIL 1200 AM
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 June 16 to 1200 AM Tuesday June 17

IMPACTS...Ozone Action Day Alert is now in effect for the Front
Range Urban Corridor.  Hot and stagnant weather conditions will
allow ozone concentrations to reach the Unhealthy for Sensitive
Groups category Monday afternoon and evening in southern and
western portions of the Denver metro area, including the nearby
foothills. Ozone levels will improve to the Good to Moderate range
on Tuesday.  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, Monday
night, June 16, 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.

$$