Hourly Weather | Today Sunday, October 26, 2025
Active Weather Warnings
  • High Wind Warning

Casper, Wyoming
9 AM
Cloudy Weather
52°
Feels Like 41°
0
Humidity: 50%
Wind: 27 mph
UV Index: 1
10 AM
Cloudy Weather
55°
Feels Like 46°
0
Humidity: 43%
Wind: 27 mph
UV Index: 1
11 AM
Cloudy Weather
59°
Feels Like 52°
0
Humidity: 36%
Wind: 29 mph
UV Index: 1
12 PM
Cloudy Weather
61°
Feels Like 54°
0
Humidity: 33%
Wind: 30 mph
UV Index: 1
1 PM
Cloudy Weather
63°
Feels Like 55°
0
Humidity: 31%
Wind: 30 mph
UV Index: 1
2 PM
Cloudy Weather
64°
Feels Like 59°
15
Humidity: 29%
Wind: 25 mph
UV Index: 1
3 PM
Cloudy Weather
63°
Feels Like 57°
15
Humidity: 31%
Wind: 24 mph
UV Index: 1
4 PM
Cloudy Weather
63°
Feels Like 57°
19
Humidity: 32%
Wind: 22 mph
UV Index: 1
5 PM
Cloudy Weather
61°
Feels Like 55°
43
Humidity: 35%
Wind: 19 mph
UV Index: 0
6 PM
Cloudy Weather
59°
Feels Like 54°
47
Humidity: 39%
Wind: 16 mph
UV Index: 0
7 PM
Rainy Weather
57°
Feels Like 46°
51
Humidity: 44%
Wind: 17 mph
UV Index: 0
8 PM
Rainy Weather
55°
Feels Like 48°
49
Humidity: 48%
Wind: 11 mph
UV Index: 0
9 PM
Rainy Weather
54°
Feels Like 46°
49
Humidity: 51%
Wind: 12 mph
UV Index: 0
10 PM
Cloudy Night
52°
Feels Like 45°
42
Humidity: 58%
Wind: 12 mph
UV Index: 0
11 PM
Rainy Weather
50°
Feels Like 39°
40
Humidity: 65%
Wind: 12 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

9 AM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.85 µg/m³
  • PM10: 4.9 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.8 µg/m³
  • PM10: 4.94 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.55 µg/m³
  • PM10: 4.6 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.42 µg/m³
  • PM10: 4.56 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.31 µg/m³
  • PM10: 4.62 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.01 µg/m³
  • PM10: 4.07 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.9 µg/m³
  • PM10: 3.81 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.96 µg/m³
  • PM10: 3.8 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.87 µg/m³
  • PM10: 3.54 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.68 µg/m³
  • PM10: 3.13 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.39 µg/m³
  • PM10: 2.53 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.15 µg/m³
  • PM10: 2.02 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.98 µg/m³
  • PM10: 1.69 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.9 µg/m³
  • PM10: 1.52 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.93 µg/m³
  • PM10: 1.53 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.