Stay updated with real-time air quality in Casper, 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)
58
Moderate
Casper, Wyoming
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
13.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
60.44 μg/m³
0
55
155
255
425
605+
27.03 ppb
0
55
71
86
201
201+
0.80 ppb
0
36
76
186
605
1005+
5.95 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Casper, Wyoming
Casper, Wyoming
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AQI 66
Moderate
17.00μg/m³
PM2.5
40.00μg/m³
PM10
33.96ppb
O3
1.09ppb
SO2
2.40ppb
NO2
0.21ppm
CO
AQI 38
Good
7.30μg/m³
PM2.5
31.99μg/m³
PM10
26.07ppb
O3
0.79ppb
SO2
3.41ppb
NO2
0.27ppm
CO
AQI 67
Moderate
17.55μg/m³
PM2.5
76.77μg/m³
PM10
28.70ppb
O3
0.46ppb
SO2
6.28ppb
NO2
0.36ppm
CO
AQI 49
Good
9.10μg/m³
PM2.5
26.00μg/m³
PM10
24.26ppb
O3
0.94ppb
SO2
2.87ppb
NO2
0.26ppm
CO
AQI 67
Moderate
18.24μg/m³
PM2.5
48.27μg/m³
PM10
26.78ppb
O3
0.43ppb
SO2
6.01ppb
NO2
0.21ppm
CO
AQI 33
Good
5.80μg/m³
PM2.5
25.01μg/m³
PM10
25.24ppb
O3
0.53ppb
SO2
6.24ppb
NO2
0.36ppm
CO
Air quality measurements for Wyoming, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Casper, Wyoming is updated on an hourly basis.
The worst air quality in Casper, Wyoming was recorded at 08:00:00 on 2025-09-05.
The best air quality in Casper, Wyoming was recorded at 05:00:00 on 2025-09-06.
The real-time air quality index in Casper, Wyoming is 58, currently categorized as Moderate.
The most common pollutant in Casper, Wyoming is PM2.5.
If the air quality in Casper, Wyoming is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Casper, Wyoming at present are 13.409 μg/m3.
The current PM10 levels in Casper, Wyoming are 60.439 μg/m3.
The current carbon monoxide (CO) level in Casper, Wyoming is 0.231 ppm.
The current sulfur dioxide (SO2) levels in Casper, Wyoming are 0.799 ppb.
The current ozone (O3) levels at Casper, Wyoming is 27.026 ppm.
The current nitrogen dioxide (NO2) levels at Casper, Wyoming is 5.952 ppb.
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