Stay updated with real-time air quality in Cheyenne, Wyoming featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
40
Good
Cheyenne, Wyoming
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
1.73 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.05 μg/m³
0
55
155
255
425
605+
42.95 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
4.01 ppb
0
54
101
361
1250
2050+
0.78 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Cheyenne, Wyoming
Cheyenne, Wyoming
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AQI 50
Good
2.96μg/m³
PM2.5
24.35μg/m³
PM10
53.89ppb
O3
0.62ppb
SO2
1.29ppb
NO2
0.10ppm
CO
AQI 48
Good
3.61μg/m³
PM2.5
7.05μg/m³
PM10
52.15ppb
O3
0.62ppb
SO2
1.27ppb
NO2
0.10ppm
CO
AQI 51
Moderate
1.91μg/m³
PM2.5
8.03μg/m³
PM10
55.37ppb
O3
0.77ppb
SO2
1.33ppb
NO2
0.10ppm
CO
AQI 58
Moderate
4.92μg/m³
PM2.5
15.08μg/m³
PM10
57.30ppb
O3
0.62ppb
SO2
1.34ppb
NO2
0.10ppm
CO
AQI 58
Moderate
4.95μg/m³
PM2.5
13.53μg/m³
PM10
57.19ppb
O3
0.62ppb
SO2
1.28ppb
NO2
0.10ppm
CO
AQI 58
Moderate
4.09μg/m³
PM2.5
18.21μg/m³
PM10
56.87ppb
O3
0.61ppb
SO2
1.56ppb
NO2
0.10ppm
CO
Air quality data and pollutant measurements for Wyoming, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Cheyenne, Wyoming is updated every hour.
The worst air quality in Cheyenne, Wyoming in the last 24 hours was observed at 03:00:00 on 2025-07-20.
In the last 24 hrs, the best air quality in Cheyenne, Wyoming was observed at 09:00:00 on 2025-07-20.
The current air quality in Cheyenne, Wyoming is 48, categorized as Good based on real-time data.
The most common pollutant in Cheyenne, Wyoming is O3.
If the air quality in Cheyenne, Wyoming is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Cheyenne, Wyoming is 2.264 μg/m3.
The current PM10 concentration at Cheyenne, Wyoming is 10.957 μg/m3.
The current carbon monoxide (CO) concentration at Cheyenne, Wyoming is 0.1 ppm.
The current sulfur dioxide (SO2) concentration at Cheyenne, Wyoming is 0.651 ppb.
The current ozone (O3) concentration at Cheyenne, Wyoming is 52.11 ppm.
The current nitrogen dioxide (NO2) concentration at Cheyenne, Wyoming is 1.002 ppb.
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