Air Quality in Grand Junction, United States
Windy
27.1°C · 27.1% humidity
27.1°
Feels 27.1°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Grand Junction's air quality — share it
AQI Forecast
25
6pm
25
25
26
9pm
27
25
25
12am
25
25
25
3am
25
25
25
6am
25
25
25
9am
25
25
25
12pm
25
25
25
3pm
25
25
Air Quality Index Trend
14h · 1 stnGrand 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.
27.1%
Humidity
58.4 km/h
Wind SSE
1007.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.15 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Grand Junction?
Temperature & Precipitation
PM2.5 Trend
14h · 1 stationPM2.56.15 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Grand Junction?
07-22
39.5° 18.4°
07-23
34.8° 22.5°
0.06 mm
07-24
35.0° 22.5°
0.44 mm
07-25
34.9° 20.2°
1.44 mm
07-26
36.2° 18.8°
0.19 mm
07-27
36.0° 20.3°
0.62 mm
07-28
34.3° 18.9°
0.13 mm
Both models agree
Avg diff: 3.4°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 2026-07-22T03:37 UTC.