Air Quality in Grand Junction, United States
Windy
28.8°C · 13.9% humidity
28.8°
Feels 28.8°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Grand Junction's air quality — share it
AQI Forecast
25
7am
25
25
17
10am
20
22
23
1pm
24
23
24
4pm
24
24
25
7pm
25
27
27
10pm
27
27
27
1am
27
27
34
4am
27
27
Air Quality Index Trend
26h · 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.
13.9%
Humidity
52.2 km/h
Wind ESE
1015.1 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
4.1 µg/m³
PM10▲
27.4 µg/m³
050100150200300500
What is the weather forecast for Grand Junction?
Temperature & Precipitation
PM2.5 Trend
26h · 1 stationPM2.54.1 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX14.9
Extreme
Station readings (1 station within 25 km)
4.1
Median
4.1
Average
4.1
Low
4.1
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +2.2
What is the 7-day forecast for Grand Junction?
05-29
30.6° 15.3°
05-30
28.1° 15.9°
0.19 mm
05-31
29.5° 15.2°
2.12 mm
06-01
29.3° 17.1°
06-02
29.5° 19.5°
0.06 mm
06-03
30.3° 13.8°
06-04
31.3° 16.5°
Both models agree
Avg diff: 2.2°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T16:29 UTC.