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)
32
Good
Casper, Wyoming
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.00 μg/m³
0
55
155
255
425
605+
34.91 ppb
0
55
71
86
201
201+
0.89 ppb
0
36
76
186
605
1005+
1.00 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Casper, Wyoming
Casper, Wyoming
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AQI 34
Good
2.70μg/m³
PM2.5
22.00μg/m³
PM10
36.86ppb
O3
0.72ppb
SO2
1.21ppb
NO2
0.12ppm
CO
AQI 31
Good
2.12μg/m³
PM2.5
9.42μg/m³
PM10
34.44ppb
O3
1.23ppb
SO2
1.00ppb
NO2
0.10ppm
CO
AQI 56
Moderate
12.48μg/m³
PM2.5
56.19μg/m³
PM10
37.00ppb
O3
0.11ppb
SO2
6.51ppb
NO2
0.11ppm
CO
AQI 38
Good
6.84μg/m³
PM2.5
30.06μg/m³
PM10
29.30ppb
O3
0.02ppb
SO2
2.47ppb
NO2
0.09ppm
CO
AQI 35
Good
3.79μg/m³
PM2.5
17.04μg/m³
PM10
38.20ppb
O3
0.99ppb
SO2
1.05ppb
NO2
0.10ppm
CO
AQI 54
Moderate
10.63μg/m³
PM2.5
46.86μg/m³
PM10
34.27ppb
O3
0.11ppb
SO2
1.39ppb
NO2
0.10ppm
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 11:00:00 on 2026-06-07.
The best air quality in Casper, Wyoming was recorded at 10:00:00 on 2026-06-08.
The real-time air quality index in Casper, Wyoming is 32, currently categorized as Good.
The most common pollutant in Casper, Wyoming is O3.
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 2.004 μg/m3.
The current PM10 levels in Casper, Wyoming are 8.003 μg/m3.
The current carbon monoxide (CO) level in Casper, Wyoming is 0.1 ppm.
The current sulfur dioxide (SO2) levels in Casper, Wyoming are 0.892 ppb.
The current ozone (O3) levels at Casper, Wyoming is 34.914 ppm.
The current nitrogen dioxide (NO2) levels at Casper, Wyoming is 1 ppb.
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