Air Quality Alert

Montrose County · Started Jul 4, 2026 at 5:10 PM · Updated 9h ago

Montrose Countyarea

Jul 4, 2026, 5:10 PMeffective

Jul 5, 2026, 9:00 AMexpires

NWS Grand Junctionsource

Approximate affected area. Zone-based advisories do not include an exact boundary

Full advisory

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

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

WHERE...Delta, Montrose, San Miguel, Ouray, Dolores, Gunnison, San Juan, Hinsdale, Mineral, Chaffee, Saguache, Rio Grande, Alamosa, Fremont, Custer, Pueblo, Lake and Park Counties. Locations include, but are not limited to Delta, Montrose, Nucla, Telluride, Ouray, Dove Creek, Gunnison, Silverton, Lake City, Creede, Buena Vista, Salida, Saguache, Del Norte, South Fork, Alamosa, Canon City, Westcliffe, Pueblo, Leadville and Fairplay.

WHEN...900 AM Saturday July 04 to 900 AM Sunday July 05

IMPACTS...Moderate to heavy smoke transported from several wildfires in Colorado and Utah will be possible within the advisory area through at least Sunday morning.

HEALTH INFORMATION...There was a problem with the request.

Updates

2 · newest first

Jul 5, 2026, 9:30 PM
Alert resolved: Air Quality Alert issued July 4 at 5:10PM MDT by NWS Grand Junction CO
This alert has been resolved or cancelled by the National Weather Service.
The Colorado Department of Public Health and Environment has issued the following...
WHAT...Air Quality Health Advisory for Wildfire Smoke.
WHERE...Delta, Montrose, San Miguel, Ouray, Dolores, Gunnison, San Juan, Hinsdale, Mineral, Chaffee, Saguache, Rio Grande, Alamosa, Fremont, Custer, Pueblo, Lake and Park Counties. Locations include, but are not limited to Delta, Montrose, Nucla, Telluride, Ouray, Dove Creek, Gunnison, Silverton, Lake City, Creede, Buena Vista, Salida, Saguache, Del Norte, South Fork, Alamosa, Canon City, Westcliffe, Pueblo, Leadville and Fairplay.
WHEN...900 AM Saturday July 04 to 900 AM Sunday July 05
IMPACTS...Moderate to heavy smoke transported from several wildfires in Colorado and Utah will be possible within the advisory area through at least Sunday morning.
HEALTH INFORMATION...There was a problem with the request.
Jul 5, 2026, 3:30 AM
Update for: Air Quality Alert issued July 4 at 5:10PM MDT by NWS Grand Junction CO
Updated information for this alert:
The Colorado Department of Public Health and Environment has issued the following...
WHAT...Air Quality Health Advisory for Wildfire Smoke.
WHERE...Delta, Montrose, San Miguel, Ouray, Dolores, Gunnison, San Juan, Hinsdale, Mineral, Chaffee, Saguache, Rio Grande, Alamosa, Fremont, Custer, Pueblo, Lake and Park Counties. Locations include, but are not limited to Delta, Montrose, Nucla, Telluride, Ouray, Dove Creek, Gunnison, Silverton, Lake City, Creede, Buena Vista, Salida, Saguache, Del Norte, South Fork, Alamosa, Canon City, Westcliffe, Pueblo, Leadville and Fairplay.
WHEN...900 AM Saturday July 04 to 900 AM Sunday July 05
IMPACTS...Moderate to heavy smoke transported from several wildfires in Colorado and Utah will be possible within the advisory area through at least Sunday morning.
HEALTH INFORMATION...There was a problem with the request.
Severity: info Expires: 2026-07-05 15:00:00

Advisory issued through the National Weather Service feed. For life-threatening emergencies call 911.