Air Quality in Cheyenne, United States
Windy
11.3°C · 71.0% humidity
11.3°
Feels 11.3°
44
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Cheyenne's air quality — share it
AQI Forecast
25
7pm
24
24
44
10pm
38
34
31
1am
29
29
28
4am
27
26
26
7am
26
26
25
10am
25
27
27
1pm
27
27
25
4pm
25
25
Air Quality Index Trend
23h · 1 stnCheyenne's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
71.0%
Humidity
52.3 km/h
Wind N
1012.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.6 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Cheyenne?
Temperature & Precipitation
PM2.5 Trend
23h · 1 stationPM2.510.6 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
10.6
Median
10.6
Average
10.6
Low
10.6
High
PM2.5 µg/m³ · Model: 5.8 · Bias: -4.8
What is the 7-day forecast for Cheyenne?
05-30
27.5° 10.5°
3.19 mm
05-31
27.5° 12.3°
2.81 mm
06-01
23.6° 11.5°
06-02
29.9° 7.8°
06-03
30.6° 12.3°
06-04
21.5° 11.7°
1.44 mm
06-05
19.6° 12.7°
0.06 mm
Both models agree
Avg diff: 4.2°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 2026-05-30T04:07 UTC.