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Colorado Smoke Outlook

COLORADO SMOKE OUTLOOK:
Saturday, August 15, 2020, 8:30 AM MDT

Air Quality Health Advisory for Wildfire Smoke

Issued for portions of central and western Colorado
Issued at 9:00 AM MDT, Saturday, August 15, 2020

Issued by the Colorado Department of Public Health and Environment

Affected Area: Mesa, Delta, Montrose, Eagle, Pitkin, Lake, Gunnison, Chaffee, central and eastern Garfield counties. Locations include, but are not limited to Grand Junction, Palisade, De Beque, Delta, Montrose, Eagle, Avon, Vail, Aspen, Leadville, Gunnison, Buena Vista, Salida, Parachute, Rifle, Glenwood Springs, and Carbondale.

Advisory in Effect: 9:00 AM MDT, Saturday, August 15, 2020 to 9:00 AM MDT, Sunday, August 16, 2020.

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 heavy smoke has been observed across large sections of central and western Colorado due to the Pine Gulch and Grizzly Creek wildfires. Smoke will gradually diminish Saturday morning as atmospheric mixing increases, with the slowest improvement occurring in valley locations. By Saturday afternoon the wind at the fires will be out of a north to northwest direction. This will bring periods of moderate to heavy smoke for areas to the south and southeast of both wildfires. By late Saturday evening smoke will begin to drain into lower lying areas surrounding both fires. This will bring longer duration, heavy smoke through early Sunday morning to several drainages near the Pine Gulch wildfire including into the De Beque and Grand Junction areas. Meanwhile, heavy overnight smoke from the Grizzly Creek wildfire will impact locations along Interstate 70 in central and eastern Garfield County.


Air Quality Health Advisory for Wildfire Smoke

Issued for portions of northern and central Colorado
Issued at 9:00 AM MDT, Saturday, August 15, 2020

Issued by the Colorado Department of Public Health and Environment

Affected Area: Jackson, Grand, Summit, Park, Clear Creek and Gilpin. Locations include, but are not limited to Rand, Kremmling, Granby, Breckenridge, Silverthorne, Fairplay, Georgetown, and Central City.

Advisory in Effect: 9:00 AM MDT, Saturday, August 15, 2020 to 9:00 AM MDT, Sunday, August 16, 2020.

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: Areas of moderate to heavy smoke have been observed across portions of northern and central Colorado due to the Cameron Peak and Williams Fork wildfires. Smoke will gradually diminish Saturday morning as atmospheric mixing increases, with the slowest improvement occurring in valley locations. By Saturday afternoon the wind at the fires will be out of a west to northwest direction. This will bring periods of moderate to heavy smoke for areas to the east and southeast of both wildfires. By late Saturday evening smoke will begin to drain into lower lying areas surrounding both fires. This will bring longer duration, heavy smoke through early Sunday morning to drainages near the Cameron Peak wildfire including Poudre Canyon Road and Joe Wright Creek. Meanwhile, heavy overnight smoke from the Williams Fork wildfire will impact locations along Grand County Road 3 and Williams Fork.


Light to moderate concentrations of smoke are also possible near small wildfires and prescribed burns around the state.

What if there is a wildfire or smoke in your area?
The focus of the Colorado Smoke Outlook is on large fires (e.g., greater than 100 acres in size). Nevertheless, smoke from smaller fires, prescribed fires, and/or smoke from new fires not yet known to CDPHE air quality meteorologists may cause locally heavy smoke. If there is smoke in your neighborhood, see the public health recommendations below.

Public health recommendations for areas affected by smoke:
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.