Cheyenne, Wyoming live air quality index now
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)
34
Good
Cheyenne, Wyoming
Last updated: ... (Local time)
Major air pollutants in Cheyenne, Wyoming
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
0.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
1.06 μg/m³
0
55
155
255
425
605+
Ozone (O3)
36.67 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.59 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
1.37 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Cheyenne, Wyoming
Cheyenne, Wyoming
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Air quality in nearby cities
Wellington, Colorado
AQI 31
Good
2.81μg/m³
PM2.5
12.58μg/m³
PM10
34.07ppb
O3
0.39ppb
SO2
2.73ppb
NO2
0.15ppm
CO
Fort Collins, Colorado
AQI 28
Good
0.72μg/m³
PM2.5
3.03μg/m³
PM10
29.99ppb
O3
0.36ppb
SO2
7.65ppb
NO2
0.10ppm
CO
Laramie, Wyoming
AQI 36
Good
0.40μg/m³
PM2.5
2.01μg/m³
PM10
38.84ppb
O3
0.50ppb
SO2
1.33ppb
NO2
0.15ppm
CO
Severance, Colorado
AQI 19
Good
2.63μg/m³
PM2.5
7.74μg/m³
PM10
20.45ppb
O3
0.34ppb
SO2
9.79ppb
NO2
0.19ppm
CO
Windsor, Colorado
AQI 19
Good
2.47μg/m³
PM2.5
5.77μg/m³
PM10
20.24ppb
O3
0.34ppb
SO2
11.00ppb
NO2
0.16ppm
CO
Greeley, Colorado
AQI 23
Good
3.20μg/m³
PM2.5
13.97μg/m³
PM10
24.75ppb
O3
0.34ppb
SO2
6.29ppb
NO2
0.26ppm
CO
How accurate is Wyoming, USA air quality data?
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
Frequently asked questions
How often is the air quality data for Cheyenne, Wyoming updated?
The air quality for Cheyenne, Wyoming is updated every hour.
When was the worst air quality at Cheyenne, Wyoming in the last 24 hrs?
The worst air quality in Cheyenne, Wyoming in the last 24 hours was observed at 09:00:00 on 2025-12-06.
When was the best air quality at Cheyenne, Wyoming in the last 24 hrs?
In the last 24 hrs, the best air quality in Cheyenne, Wyoming was observed at 10:00:00 on 2025-12-07.
What is the current air quality in Cheyenne, Wyoming?
The current air quality in Cheyenne, Wyoming is 34, categorized as Good based on real-time data.
What pollutant is the most common in Cheyenne, Wyoming?
The most common pollutant in Cheyenne, Wyoming is O3.
What should I do if the air quality in Cheyenne, Wyoming is poor?
If the air quality in Cheyenne, Wyoming is poor, consider staying indoors and wearing a mask to protect yourself.
What is the current concentration of PM2.5 in Cheyenne, Wyoming?
The current PM2.5 concentration at Cheyenne, Wyoming is 0.235 μg/m3.
What is the current concentration of PM10 in Cheyenne, Wyoming?
The current PM10 concentration at Cheyenne, Wyoming is 1.062 μg/m3.
What is the current concentration of carbon monoxide (CO) in Cheyenne, Wyoming?
The current carbon monoxide (CO) concentration at Cheyenne, Wyoming is 0.103 ppm.
What is the current concentration of sulfur dioxide (SO2) in Cheyenne, Wyoming?
The current sulfur dioxide (SO2) concentration at Cheyenne, Wyoming is 0.591 ppb.
What is the current concentration of ozone (O3) in Cheyenne, Wyoming?
The current ozone (O3) concentration at Cheyenne, Wyoming is 36.666 ppm.
What is the current concentration of nitrogen dioxide (NO2) in Cheyenne, Wyoming?
The current nitrogen dioxide (NO2) concentration at Cheyenne, Wyoming is 1.371 ppb.
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