Hourly Weather | Today Monday, June 29, 2026
Active Weather Warnings
Grand Junction, Colorado
11 PM
Night
70°
Feels Like 66°
0
Humidity: 16%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
233 AQI
Very unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 183.42 µg/m³
  • PM10: 185.83 µg/m³
  • O3: 0.076 ppm
  • NO2: 4.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.80 ppm

Health Recommendations:

Health alert: the risk of health effects is increased for everyone.

Weather Alerts and Warnings for Grand Junction

Air Quality Alert

Air Quality Alert issued June 29 at 4:10PM MDT by NWS Grand Junction CO
Jun 29, 4:10 PM Jun 30, 9:00 AM
The Colorado Department of Public Health and Environment has
issued the following...

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

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

WHEN...900 AM Monday June 29 to 900 AM Tuesday June 30

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 Tuesday 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.
Updated: Jun 29, 8:38 PM Source: NWS Alert