Colorado Division Public Health and Environment Air Quality Division

Air Quality Health Advisory for Wildfire Smoke

Avisos en Español para todo el Estado (Colorado)

Issued for western Eagle and eastern Garfield Counties
Issued at 7:56 AM MDT, Thursday, August 21, 2025

Issued by the Colorado Department of Public Health and Environment

Affected Area: Western Eagle and eastern Garfield Counties. Locations include, but are not limited to Sweetwater Lake, Dotsero, Gypsum, and Eagle.

Advisory in Effect: 9:00 AM MDT, Thursday, August 21, 2025 to 9:00 AM MDT, Friday, August 22, 2025

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 the Derby Fire is impacting central Colorado. The heaviest smoke is expected in areas near the fire and in low-lying areas.

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