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The original item was published from 9/8/2021 10:25:38 AM to 9/8/2021 10:25:38 AM.

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Public Health

Posted on: August 11, 2021

[ARCHIVED] Air Quality Health Advisory for Wildfire Smoke

Air Pollution Control Division

Air Pollution Control Division

Air Quality Health Advisory for Wildfire Smoke

Issued for northern, central and western parts of Colorado

Issued at 8:00 AM MDT, Wednesday, September 8, 2021


Issued by the Colorado Department of Public Health and Environment


Affected Area:  Moffat, Routt, Jackson, Rio Blanco, Grand, Garfield, Eagle, Summit, Mesa, Delta, Pitkin, Lake, Montrose, Gunnison, Chaffee, Saguache, Gilpin, Clear Creek, and Park. Locations include, but are not limited to Craig, Steamboat Springs, Walden, Rangely, Meeker, Hot Sulphur Springs, Glenwood Springs, Eagle, Vail, Breckenridge, Grand Junction, Delta, Aspen, Leadville, Montrose, Gunnison, Salida, Ouray, Saguache, Central City, Georgetown, and Fairplay.


Advisory in Effect:  8:00 AM MDT, Wednesday, September 8, 2021 to 9:00 AM MDT, Wednesday, September 9, 2021.


Public Health Recommendations: If smoke is thick or becomes thick in your neighborhood you may want to remain indoors.  This is especially true for those with heart disease, respiratory illnesses, the very young, and the elderly.  Consider limiting outdoor activity when moderate to heavy smoke is present.  Consider relocating temporarily if smoke is present indoors and is making you ill.  If visibility is less than 5 miles in smoke in your neighborhood, smoke has reached levels that are unhealthy.

Outlook:  Widespread wildfire smoke, originating largely from out-of-state wildfires, will impact the advisory area through at least Thursday morning.  The heaviest smoke concentrations are expected for north-central and northwestern Colorado along with sheltered valley locations throughout the advisory area.

For the latest Smoke Outlook, visit:

For more information about smoke and your health, visit:

For the latest Colorado statewide air quality conditions, forecasts, and advisories, visit:

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