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Air Quality Alert


COC057-047-049-117-019-093-291500-
Jackson-Gilpin-Grand-Summit-Clear Creek-Park-
410 PM MDT Sun Jun 28 2026

...AIR QUALITY HEALTH ADVISORY FOR WILDFIRE SMOKE FROM 900 AM
SUNDAY UNTIL 900 AM MONDAY...

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

WHAT...Air Quality Health Advisory for Wildfire Smoke.

WHERE...Dolores, San Miguel, Ouray, Montrose, Gunnison, Delta,
Mesa, Pitkin, Chaffee, Lake, Park, Garfield, Eagle, Summit, Clear
Creek, Gilpin, Rio Blanco, Routt, Grand, Moffat, Jackson and
northern Montezuma Counties. Locations include, but are not
limited to Dove Creek, Telluride, Ouray, Montrose, Nucla,
Gunnison, Delta, Grand Junction, Aspen, Buena Vista, Salida,
Leadville, Fairplay, Glenwood Springs, Eagle, Vail, Breckenridge,
Georgetown, Central City, Meeker, Rangely, Steamboat Springs,
Granby, Hot Sulphur Springs, Kremmling, Craig, and Walden.

WHEN...900 AM Sunday June 28 to 900 AM Monday June 29

IMPACTS...Areas near and downwind of large fires in southwestern
Colorado and southeastern Utah could have periods of moderate to
heavy smoke through at least Monday morning.

HEALTH INFORMATION...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 older adults. 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.

$$

COC035-001-059-123-031-014-005-013-069-292200-
Douglas-Adams-Jefferson-Weld-Denver-Broomfield-Arapahoe-
Boulder-Larimer-
410 PM MDT Sun Jun 28 2026

...ACTION DAY FOR MULTIPLE POLLUTANTS FROM 400 PM SUNDAY UNTIL 400
PM MONDAY...

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 Sunday June 28 to 400 PM Monday June 29

IMPACTS...Action Day for Multiple Pollutants is now in effect for
the Front Range Urban Corridor.  Increasing wildfire smoke is
possible Sunday afternoon and evening, especially in and near
Denver and the local foothills to the west of the metro area.
Another plume of wildfire smoke could impact the entire northern
Front Range region Monday afternoon and evening. Both ozone and
fine particulates could reach the Unhealthy for Sensitive Groups
category or higher.  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 at least 4 p.m.
Monday, June 29, 2026. 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...People with heart or lung disease, older
adults, and children should reduce prolonged or heavy exertion.
During periods of heavier wildfire smoke, everyone should reduce
prolonged or heavy exertion.

$$

COC015-065-291500-
Chaffee-Lake-
410 PM MDT Sun Jun 28 2026

...AIR QUALITY HEALTH ADVISORY FOR WILDFIRE SMOKE FROM 900 AM
SUNDAY UNTIL 900 AM MONDAY...

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

WHAT...Air Quality Health Advisory for Wildfire Smoke.

WHERE...Dolores, San Miguel, Ouray, Montrose, Gunnison, Delta,
Mesa, Pitkin, Chaffee, Lake, Park, Garfield, Eagle, Summit, Clear
Creek, Gilpin, Rio Blanco, Routt, Grand, Moffat, Jackson and
northern Montezuma Counties. Locations include, but are not
limited to Dove Creek, Telluride, Ouray, Montrose, Nucla,
Gunnison, Delta, Grand Junction, Aspen, Buena Vista, Salida,
Leadville, Fairplay, Glenwood Springs, Eagle, Vail, Breckenridge,
Georgetown, Central City, Meeker, Rangely, Steamboat Springs,
Granby, Hot Sulphur Springs, Kremmling, Craig, and Walden.

WHEN...900 AM Sunday June 28 to 900 AM Monday June 29

IMPACTS...Areas near and downwind of large fires in southwestern
Colorado and southeastern Utah could have periods of moderate to
heavy smoke through at least Monday morning.

HEALTH INFORMATION...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 older adults. 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.

$$

COC085-097-103-037-045-033-029-051-113-083-107-091-081-077-291500-
Montrose-Pitkin-Rio Blanco-Eagle-Garfield-Dolores-Delta-
Gunnison-San Miguel-Montezuma-Routt-Ouray-Moffat-Mesa-
410 PM MDT Sun Jun 28 2026

...AIR QUALITY HEALTH ADVISORY FOR WILDFIRE SMOKE FROM 900 AM
SUNDAY UNTIL 900 AM MONDAY...

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

WHAT...Air Quality Health Advisory for Wildfire Smoke.

WHERE...Dolores, San Miguel, Ouray, Montrose, Gunnison, Delta,
Mesa, Pitkin, Chaffee, Lake, Park, Garfield, Eagle, Summit, Clear
Creek, Gilpin, Rio Blanco, Routt, Grand, Moffat, Jackson and
northern Montezuma Counties. Locations include, but are not
limited to Dove Creek, Telluride, Ouray, Montrose, Nucla,
Gunnison, Delta, Grand Junction, Aspen, Buena Vista, Salida,
Leadville, Fairplay, Glenwood Springs, Eagle, Vail, Breckenridge,
Georgetown, Central City, Meeker, Rangely, Steamboat Springs,
Granby, Hot Sulphur Springs, Kremmling, Craig, and Walden.

WHEN...900 AM Sunday June 28 to 900 AM Monday June 29

IMPACTS...Areas near and downwind of large fires in southwestern
Colorado and southeastern Utah could have periods of moderate to
heavy smoke through at least Monday morning.

HEALTH INFORMATION...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 older adults. 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.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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