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Elev 5463 ft, 40.23 °N, 105.27 °W

Lyons, CO Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Lyons, CO
Elevation: 5463ft
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Air Quality Alert
Issued: 4:10 PM Jun. 11, 2026 – National Weather Service
...AIR QUALITY HEALTH ADVISORY FOR OZONE FROM 1000 AM THURSDAY
UNTIL 400 PM THURSDAY...

The Colorado Department of Public Health and Environment has
issued the following...

WHAT...Air Quality Health Advisory for Ozone.

WHERE...Boulder, Jefferson, Denver, southern parts of Weld, and
western parts of Douglas, Arapahoe, and Adams Counties. Locations
include, but are not limited to Boulder, Golden, Denver, Castle
Rock, Littleton, and Brighton.

WHEN...1000 AM Thursday June 11 to 400 PM Thursday June 11

IMPACTS...An intrusion of ozone from high up in the atmosphere to
the surface is expected through at least Thursday afternoon.
Because this is an off-cycle event, this advisory will be replaced
by a regulatory Ozone Action Day Alert at 4pm, if necessary.

HEALTH INFORMATION...Public Health Recommendations: 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.

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