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Active Weather Alerts

Air Quality Alert
Issued: 10:11 PM Aug. 2, 2021 – National Weather Service
...ACTION DAY FOR MULTIPLE POLLUTANTS FROM 400 PM MONDAY UNTIL 400
PM TUESDAY...

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

WHAT...Action Day for Multiple Pollutants.

WHERE...Douglas, Jefferson, Denver, western Arapahoe, western
Adams, Broomfield, Boulder, Larimer, and Weld Counties

WHEN...400 PM Monday August 02 to 400 PM Tuesday August 03

IMPACTS...Action Day for Multiple Pollutants is now in effect for
the Front Range Urban Corridor. Requests to limit driving of non-
ZEV vehicles (i.e., gas or diesel) are now in effect until at
least 4 p.m. Tuesday, August 3, 2021.  Ozone concentrations are
expected to be in the Unhealthy for Sensitive Groups to Unhealthy
range, and concentrations of fine particulates are expected to
reach the Unhealthy for Sensitive Groups category on Monday and
Tuesday. The highest concentrations of ozone are most likely in
the western portions of the Denver Metro area, and elevated levels
of both pollutants are possible throughout the Colorado Front
Range Region, from Fort Collins and Greeley southward through
Colorado Springs.For areas included in this advisory that are not
expected to reach 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...Greater likelihood of respiratory symptoms
and breathing difficulty in active children and adults and people
with lung disease, such as asthma; possible respiratory effects in
general population. Active children and adults, and people with
lung disease, such as asthma, should avoid prolonged or heavy
indoor and outdoor exertion; everyone else, especially children,
should reduce prolonged or heavy indoor and outdoor exertion.

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