Colorado Department of Public Health and Environment

Avisos en Español para todo el Estado (Colorado)

Issued for Moffat, Rio Blanco, Routt, Jackson, Grand, Garfield, Eagle, Pitkin, Lake, Gilpin, Clear Creek, Park, Teller, Fremont, El Paso and Pueblo counties

Issued at 4:52 a.m. MDT, Monday, August 3, 2026
Updated at 1:30 p.m. MDT, Monday, August 3, 2026
Issued by the Colorado Department of Public Health and Environment

Affected area: Moffat, Rio Blanco, Routt, Jackson, Grand, Garfield, Eagle, Pitkin, Lake, Gilpin, Clear Creek, Park, Teller, Fremont, El Paso and Pueblo Counties. Locations include, but are not limited to Craig, Meeker, Rangely, Steamboat Springs, Walden, Granby, Hot Sulphur Springs, Kremmling, Glenwood Springs, Eagle, Vail, Aspen, Leadville, Central City, Georgetown, Fairplay, Cripple Creek, Canon City, Colorado Springs and Pueblo.

Advisory in effect: 5 a.m. MDT, Monday, August 3, 2026 to 9 a.m. MDT, Tuesday, August 4, 2026.

Public health recommendations: Increasing likelihood of respiratory symptoms in sensitive individuals, aggravation of heart or lung disease and premature mortality in people with cardiopulmonary disease and older adults. People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

Outlook: Areas of moderate to heavy smoke from out-of-state wildfires will be possible within the advisory area through at least Tuesday morning.

Note: This advisory updates the previous advisory that was issued Monday morning by adding several counties.

For the latest Colorado statewide air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx

For the latest Smoke Blog, visit: https://colosmokeoutlook.blogspot.com/

For more information about smoke and your health, visit: https://cdphe.colorado.gov/outdoor-burning/wildfire-smoke-and-health

Colorado Department of Public Health and Environment

Avisos en Español para todo el Estado (Colorado)

Issued for Moffat, Routt, Jackson, Grand, Rio Blanco, Garfield, Eagle, Summit, Gilpin, Clear Creek, Mesa, Pitkin, Lake, Park, Delta, Gunnison, Chaffee, Montrose, Ouray, San Miguel, Dolores, and northern parts of Montezuma and Saguache counties. Issued at 8:14 a.m. MDT, Thursday, July 2, 2026.

Issued by the Colorado Department of Public Health and Environment

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

Advisory in effect: 9 a.m. MDT, Thursday, July 2, 2026 to 9 a.m. MDT, Friday, July 3, 2026.

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.

Outlook: Areas downwind of large fires in southwestern Colorado and southeastern Utah could have periods of moderate to heavy smoke through at least Friday morning.

For the latest Colorado statewide air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx

For the latest Smoke Blog, visit: https://colosmokeoutlook.blogspot.com/

For more information about smoke and your health, visit: https://cdphe.colorado.gov/outdoor-burning/wildfire-smoke-and-health

Colorado Department of Public Health and Environment

Avisos en Español para todo el Estado (Colorado)

Moffat, Routt, Jackson, Grand, Rio Blanco, Garfield, Eagle, Summit, Gilpin, Clear Creek, Mesa, Pitkin, Lake, Park, Delta, Gunnison, Chaffee, Montrose, Ouray, San Miguel, Dolores, and northern parts of Montezuma and Saguache counties. Issued at 8:22 a.m. MDT, Wednesday, July 1, 2026

Issued by the Colorado Department of Public Health and Environment

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

Advisory in effect: 9 a.m. MDT, Wednesday, July 1, 2026 to 9 a.m. MDT, Thursday, July 2, 2026.

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.

Outlook: Areas downwind of large fires in southwestern Colorado and southeastern Utah could have periods of moderate to heavy smoke through at least Thursday morning.

For the latest Colorado statewide air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx

For the latest Smoke Blog, visit: https://colosmokeoutlook.blogspot.com/

For more information about smoke and your health, visit: https://cdphe.colorado.gov/outdoor-burning/wildfire-smoke-and-health

Colorado Department of Public Health and Environment

Avisos en Español para todo el Estado (Colorado)

Issued for Moffat, Routt, Jackson, Grand, Rio Blanco, Garfield, Eagle, Summit, Gilpin, Clear Creek, Mesa, Pitkin, Lake, Park, Delta, Gunnison, Chaffee, Montrose, Ouray, San Miguel, Dolores, and northern parts of Montezuma and Saguache Counties

Issued at 8:02 AM MDT, Tuesday, June 30, 2026

Issued by the Colorado Department of Public Health and Environment

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

Advisory in Effect: 9:00 AM MDT, Tuesday, June 30, 2026 to 9:00 AM MDT, Wednesday, July 1, 2026

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.

Outlook: Areas downwind of large fires in southwestern Colorado and southeastern Utah could have periods of moderate to heavy smoke through at least Wednesday morning.

For the latest Colorado statewide air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx

For the latest Smoke Blog, visit: https://colosmokeoutlook.blogspot.com/

For more information about smoke and your health, visit: https://cdphe.colorado.gov/outdoor-burning/wildfire-smoke-and-health

Colorado Department of Public Health and Environment

Avisos en Español para todo el Estado (Colorado)

Issued for 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

Issued at 8:12 AM MDT, Sunday, June 28, 2026

Issued by the Colorado Department of Public Health and Environment

Affected Area: 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.

Advisory in Effect: 9:00 AM MDT, Sunday, June 28, 2026 to 9:00 AM MDT, Monday, June 29, 2026

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.

Outlook: 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.

For the latest Colorado statewide air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx

For the latest Smoke Blog, visit: https://colosmokeoutlook.blogspot.com/

For more information about smoke and your health, visit: https://cdphe.colorado.gov/outdoor-burning/wildfire-smoke-and-health

Colorado Department of Public Health and Environment

Avisos en Español para todo el Estado (Colorado)

Issued for Moffat, Routt, Grand, Rio Blanco, Eagle, Summit, Garfield, Pitkin, Mesa, Delta, Gunnison, Montrose, Jackson, Lake, Park, Teller, Chaffee, Custer, Huerfano, Rio Grande, Alamosa, Las Animas, Costilla, Conejos, Saguache and Fremont counties. Issued at 8:12 a.m. MDT, Thursday, June 25, 2026

Issued by the Colorado Department of Public Health and Environment

Affected area: Moffat, Routt, Grand, Rio Blanco, Eagle, Summit, Garfield, Pitkin, Mesa, Delta, Gunnison, Montrose, Jackson, Lake, Park, Teller, Chaffee, Custer, Huerfano, Rio Grande, Alamosa, Las Animas, Costilla, Conejos, Saguache and Fremont counties. Locations include, but are not limited to Craig, Steamboat Springs, Granby, Hot Sulphur Springs, Kremmling, Meeker, Rangely, Eagle, Vail, Breckenridge, Glenwood Springs, Aspen, Grand Junction, Delta, Gunnison, Montrose, Nucla, Walden, Leadville, Fairplay, Cripple Creek, Buena Vista, Salida, Westcliffe, Walsenburg, Del Norte, South Fork, Alamosa, Kim, Trinidad, San Luis, Conejos, Saguache and Canon City.

Advisory in effect: 9 a.m. MDT, Thursday, June 25, 2026 to 9 a.m. MDT, Friday, June 26, 2026.

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.

Outlook: Smoke from several fires burning in Utah and Nevada is being transported into Colorado and is expected to impact air quality through at least Thursday morning. Smoke levels could increase or decrease rapidly at times during the advisory period due to the very unstable atmospheric conditions.

For the latest Colorado statewide air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx

For the latest Smoke Blog, visit: https://colosmokeoutlook.blogspot.com/

For more information about smoke and your health, visit: https://cdphe.colorado.gov/outdoor-burning/wildfire-smoke-and-health

Colorado Department of Public Health and Environment

Avisos en Español para todo el Estado (Colorado)

Issued for Rio Blanco, Garfield, Eagle, Pitkin, Mesa, Delta, Gunnison, Montrose, San Miguel, Ouray, Dolores, San Juan, Montezuma, La Plata, Hinsdale, Mineral and Saguache Counties
Issued at 8:12 AM MDT, Wednesday, June 24, 2026

Issued by the Colorado Department of Public Health and Environment

Affected Area: Rio Blanco, Garfield, Eagle, Pitkin, Mesa, Delta, Gunnison, Montrose, San Miguel, Ouray, Dolores, San Juan, Montezuma, La Plata, Hinsdale, Mineral and Saguache Counties. Locations include, but are not limited to Meeker, Rangely, Glenwood Springs, Eagle, Vail, Aspen, Grand Junction, Delta, Gunnison, Montrose, Nucla, Telluride, Ouray, Dove Creek, Silverton, Cortez, Durango, Hermosa, Honeyville, Rockwood, Lake City, Creede and Saguache.

Advisory in Effect: 9:00 AM MDT, Wednesday, June 24, 2026 to 9:00 AM MDT, Thursday, June 25, 2026

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.

Outlook: Smoke from several fires burning in Utah and Nevada is being transported into Colorado and is expected to impact air quality through at least Thursday morning. Smoke levels could increase or decrease rapidly at times during the advisory period due to the very unstable atmospheric conditions.

For the latest Colorado statewide air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx

For the latest Smoke Blog, visit: https://colosmokeoutlook.blogspot.com/

For more information about smoke and your health, visit: https://cdphe.colorado.gov/outdoor-burning/wildfire-smoke-and-health