Air Quality in Grand Junction, United States
Clear
33.7°C · 18.3% humidity
33.7°
Feels 33.7°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Grand Junction's air quality — share it
AQI Forecast
34
7pm
34
34
54
10pm
54
54
54
1am
54
54
54
4am
54
54
34
7am
34
27
27
10am
27
27
27
1pm
27
27
27
4pm
27
27
Grand Junction's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
18.3%
Humidity
20.8 km/h
Wind ENE
1010.4 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
13.5 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Grand Junction?
Temperature & Precipitation
PM2.513.5 µg/m³
✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX12.9
Extreme
What is the 7-day forecast for Grand Junction?
08-03
37.1° 20.1°
5.56 mm
08-04
32.5° 19.4°
0.19 mm
08-05
33.5° 21.3°
0.25 mm
08-06
27.7° 19.2°
1.5 mm
08-07
34.4° 17.7°
0.31 mm
08-08
38.3° 18.4°
3.19 mm
08-09
31.0° 19.9°
1.0 mm
Both models agree
Avg diff: 3.1°C
What cities are near Grand Junction?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T04:48 UTC.