Air Quality in Greeley, United States
Clear
22.4°C · 28.6% humidity
22.4°
Feels 22.4°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Greeley's air quality — share it
AQI Forecast
25
8am
25
24
12
11am
15
18
20
2pm
21
22
22
5pm
23
23
24
8pm
25
25
27
11pm
27
27
27
2am
27
25
25
5am
25
25
Air Quality Index Trend
45h · 8 stnGreeley's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
28.6%
Humidity
37.3 km/h
Wind E
1018.9 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
3.0 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Greeley?
Temperature & Precipitation
PM2.5 Trend
45h · 8 stationsPM2.53.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX17.4
Extreme
Station readings (1 station within 25 km)
3.0
Median
3.0
Average
3.0
Low
3.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +2.9
What is the 7-day forecast for Greeley?
09-05
29.4° 14.6°
0.06 mm
09-06
34.9° 9.2°
0.38 mm
09-07
32.0° 15.8°
1.63 mm
09-08
24.8° 15.9°
0.25 mm
09-09
33.7° 18.2°
0.06 mm
09-10
32.7° 10.2°
3.44 mm
09-11
30.0° 11.8°
0.38 mm
Both models agree
Avg diff: 4.3°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 2026-09-05T17:54 UTC.