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)
34
Good
Casper, Wyoming
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
0.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.21 μg/m³
0
55
155
255
425
605+
36.89 ppb
0
55
71
86
201
201+
0.78 ppb
0
36
76
186
605
1005+
1.99 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Casper, Wyoming
Casper, Wyoming
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AQI 32
Good
0.20μg/m³
PM2.5
1.00μg/m³
PM10
35.09ppb
O3
1.55ppb
SO2
1.48ppb
NO2
0.10ppm
CO
AQI 20
Good
1.10μg/m³
PM2.5
5.00μg/m³
PM10
21.69ppb
O3
1.16ppb
SO2
1.49ppb
NO2
0.10ppm
CO
AQI 36
Good
0.40μg/m³
PM2.5
2.01μg/m³
PM10
38.84ppb
O3
0.50ppb
SO2
1.33ppb
NO2
0.15ppm
CO
AQI 24
Good
4.29μg/m³
PM2.5
6.00μg/m³
PM10
25.95ppb
O3
1.33ppb
SO2
1.57ppb
NO2
0.10ppm
CO
AQI 34
Good
0.33μg/m³
PM2.5
2.05μg/m³
PM10
36.67ppb
O3
0.59ppb
SO2
1.27ppb
NO2
0.10ppm
CO
AQI 25
Good
1.40μg/m³
PM2.5
6.00μg/m³
PM10
27.36ppb
O3
0.66ppb
SO2
1.34ppb
NO2
0.16ppm
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 02:00:00 on 2025-12-07.
The best air quality in Casper, Wyoming was recorded at 07:00:00 on 2025-12-07.
The real-time air quality index in Casper, Wyoming is 34, 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 0.851 μg/m3.
The current PM10 levels in Casper, Wyoming are 7.215 μg/m3.
The current carbon monoxide (CO) level in Casper, Wyoming is 0.112 ppm.
The current sulfur dioxide (SO2) levels in Casper, Wyoming are 0.781 ppb.
The current ozone (O3) levels at Casper, Wyoming is 36.886 ppm.
The current nitrogen dioxide (NO2) levels at Casper, Wyoming is 1.991 ppb.
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