Hourly Weather | Today Friday, May 22, 2026
Rock Springs, Wyoming
6 AM
Cloudy Weather
30°
Feels Like 30°
0
Humidity: 80%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Weather
32°
Feels Like 34°
0
Humidity: 78%
UV Index: 1
Wind: 4 mph
8 AM
Cloudy Weather
34°
Feels Like 36°
0
Humidity: 78%
UV Index: 2
Wind: 4 mph
9 AM
Cloudy Weather
37°
Feels Like 41°
0
Humidity: 69%
UV Index: 3
Wind: 6 mph
10 AM
Cloudy Weather
41°
Feels Like 48°
0
Humidity: 60%
UV Index: 4
Wind: 6 mph
11 AM
Cloudy Weather
45°
Feels Like 55°
0
Humidity: 51%
UV Index: 6
Wind: 4 mph
12 PM
Cloudy Weather
48°
Feels Like 61°
0
Humidity: 44%
UV Index: 8
Wind: 4 mph
1 PM
Cloudy Weather
50°
Feels Like 61°
0
Humidity: 39%
UV Index: 9
Wind: 6 mph
2 PM
Cloudy Weather
52°
Feels Like 61°
0
Humidity: 35%
UV Index: 8
Wind: 7 mph
3 PM
Cloudy Weather
54°
Feels Like 57°
0
Humidity: 31%
UV Index: 5
Wind: 8 mph
4 PM
Cloudy Weather
54°
Feels Like 55°
0
Humidity: 27%
UV Index: 3
Wind: 8 mph
5 PM
Cloudy Weather
55°
Feels Like 55°
0
Humidity: 24%
UV Index: 2
Wind: 7 mph
6 PM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 21%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Weather
55°
Feels Like 54°
0
Humidity: 24%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Weather
54°
Feels Like 52°
0
Humidity: 27%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
52°
Feels Like 48°
0
Humidity: 31%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 36%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
46°
Feels Like 43°
0
Humidity: 40%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 1.11 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.51 µg/m³
  • PM10: 1.15 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.51 µg/m³
  • PM10: 1.22 µg/m³
  • O3: 0.032 ppm
  • NO2: 1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.57 µg/m³
  • PM10: 1.48 µg/m³
  • O3: 0.033 ppm
  • NO2: 1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.68 µg/m³
  • PM10: 1.9 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.09 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: 0.86 µg/m³
  • PM10: 1.98 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.1 µg/m³
  • PM10: 2.12 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.21 µg/m³
  • PM10: 1.98 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.23 µg/m³
  • PM10: 1.78 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.08 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: 1.2 µg/m³
  • PM10: 1.68 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

4 PM
55 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.13 µg/m³
  • PM10: 1.54 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
59 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.07 µg/m³
  • PM10: 1.42 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
60 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.04 µg/m³
  • PM10: 1.37 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1 µg/m³
  • PM10: 1.4 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
54 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.97 µg/m³
  • PM10: 1.49 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 0.95 µg/m³
  • PM10: 1.55 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.96 µg/m³
  • PM10: 1.63 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1 µg/m³
  • PM10: 1.7 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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