Hourly Weather | Today Wednesday, April 29, 2026
Cheyenne, Wyoming
2 AM
Cloudy Night
32°
Feels Like 25°
6
Humidity: 80%
UV Index: 0
Wind: 9 mph
3 AM
Cloudy Night
30°
Feels Like 23°
6
Humidity: 83%
UV Index: 0
Wind: 9 mph
4 AM
Cloudy Night
30°
Feels Like 21°
6
Humidity: 84%
UV Index: 0
Wind: 9 mph
5 AM
Cloudy Night
30°
Feels Like 21°
6
Humidity: 84%
UV Index: 0
Wind: 9 mph
6 AM
Cloudy Weather
28°
Feels Like 21°
6
Frost Risk: 79%
Humidity: 84%
UV Index: 0
Wind: 8 mph
7 AM
Cloudy Weather
32°
Feels Like 27°
5
Humidity: 75%
UV Index: 1
Wind: 9 mph
8 AM
Cloudy Weather
37°
Feels Like 30°
5
Humidity: 63%
UV Index: 1
Wind: 9 mph
9 AM
Cloudy Weather
41°
Feels Like 36°
5
Humidity: 53%
UV Index: 2
Wind: 10 mph
10 AM
Cloudy Weather
45°
Feels Like 41°
6
Humidity: 44%
UV Index: 2
Wind: 10 mph
11 AM
Cloudy Weather
48°
Feels Like 46°
7
Humidity: 37%
UV Index: 3
Wind: 10 mph
12 PM
Cloudy Weather
52°
Feels Like 52°
7
Humidity: 32%
UV Index: 5
Wind: 10 mph
1 PM
Cloudy Weather
52°
Feels Like 52°
10
Humidity: 30%
UV Index: 5
Wind: 10 mph
2 PM
Cloudy Weather
52°
Feels Like 52°
15
Humidity: 29%
UV Index: 4
Wind: 12 mph
3 PM
Cloudy Weather
52°
Feels Like 48°
15
Humidity: 31%
UV Index: 2
Wind: 12 mph
4 PM
Cloudy Weather
52°
Feels Like 46°
19
Humidity: 33%
UV Index: 2
Wind: 12 mph
5 PM
Rainy Weather
50°
Feels Like 41°
58
Humidity: 36%
UV Index: 1
Wind: 13 mph
6 PM
Cloudy Weather
48°
Feels Like 39°
49
Humidity: 42%
UV Index: 1
Wind: 14 mph
7 PM
Rainy Weather
45°
Feels Like 36°
58
Humidity: 48%
UV Index: 0
Wind: 13 mph
8 PM
Cloudy Weather
43°
Feels Like 36°
25
Humidity: 56%
UV Index: 0
Wind: 13 mph
9 PM
Cloudy Weather
41°
Feels Like 32°
20
Humidity: 64%
UV Index: 0
Wind: 12 mph
10 PM
Cloudy Weather
39°
Feels Like 30°
20
Humidity: 70%
UV Index: 0
Wind: 10 mph
11 PM
Cloudy Weather
37°
Feels Like 30°
20
Humidity: 71%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.42 µg/m³
  • PM10: 2.06 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.5 µg/m³
  • PM10: 2.13 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.6 µg/m³
  • PM10: 2.2 µg/m³
  • O3: 0.044 ppm
  • NO2: 1 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.71 µg/m³
  • PM10: 2.29 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.83 µg/m³
  • PM10: 2.42 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.93 µg/m³
  • PM10: 2.6 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

8 AM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.02 µg/m³
  • PM10: 2.79 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.21 µg/m³
  • PM10: 3.08 µg/m³
  • O3: 0.040 ppm
  • NO2: 2 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.67 µg/m³
  • PM10: 3.65 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.75 µg/m³
  • PM10: 4.69 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.1 µg/m³
  • PM10: 5.89 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.26 µg/m³
  • PM10: 5.92 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.6 µg/m³
  • PM10: 5.23 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.92 µg/m³
  • PM10: 4.53 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.56 µg/m³
  • PM10: 4.16 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.38 µg/m³
  • PM10: 3.97 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.08 µg/m³
  • PM10: 3.67 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.68 µg/m³
  • PM10: 3.29 µg/m³
  • O3: 0.048 ppm
  • NO2: 2 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.47 µg/m³
  • PM10: 3.15 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.45 µg/m³
  • PM10: 3.18 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.5 µg/m³
  • PM10: 3.26 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.61 µg/m³
  • PM10: 3.36 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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