Hourly Weather | Today Friday, September 18, 2026
West Valley City, Utah
5 AM
Stormy Weather
68°
Feels Like 63°
54
Humidity: 59%
UV Index: 0
Wind: 13 mph
6 AM
Stormy Weather
66°
Feels Like 61°
62
Humidity: 64%
UV Index: 0
Wind: 13 mph
7 AM
Cloudy Night
64°
Feels Like 61°
49
Humidity: 67%
UV Index: 0
Wind: 13 mph
8 AM
Cloudy Weather
63°
Feels Like 61°
43
Humidity: 73%
UV Index: 1
Wind: 12 mph
9 AM
Cloudy Weather
64°
Feels Like 63°
47
Humidity: 71%
UV Index: 2
Wind: 10 mph
10 AM
Sunny with a Chance of Thunderstorms
66°
Feels Like 63°
51
Humidity: 78%
UV Index: 3
Wind: 10 mph
11 AM
Cloudy Weather
70°
Feels Like 72°
39
Humidity: 68%
UV Index: 4
Wind: 12 mph
12 PM
Cloudy Weather
72°
Feels Like 73°
33
Humidity: 58%
UV Index: 5
Wind: 12 mph
1 PM
Cloudy Weather
75°
Feels Like 77°
36
Humidity: 47%
UV Index: 5
Wind: 12 mph
2 PM
Cloudy Weather
77°
Feels Like 79°
43
Humidity: 44%
UV Index: 5
Wind: 12 mph
3 PM
Cloudy Weather
79°
Feels Like 81°
47
Humidity: 41%
UV Index: 4
Wind: 12 mph
4 PM
Sunny with a Chance of Thunderstorms
73°
Feels Like 70°
51
Humidity: 60%
UV Index: 3
Wind: 10 mph
5 PM
Cloudy Weather
72°
Feels Like 72°
40
Humidity: 65%
UV Index: 2
Wind: 9 mph
6 PM
Cloudy Weather
68°
Feels Like 66°
34
Humidity: 68%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
66°
Feels Like 64°
29
Humidity: 63%
UV Index: 0
Wind: 9 mph
8 PM
Cloudy Night
64°
Feels Like 61°
20
Humidity: 66%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Night
63°
Feels Like 57°
20
Humidity: 70%
UV Index: 0
Wind: 10 mph
10 PM
Cloudy Night
61°
Feels Like 57°
20
Humidity: 70%
UV Index: 0
Wind: 9 mph
11 PM
Cloudy Night
59°
Feels Like 55°
20
Humidity: 74%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.21 µg/m³
  • PM10: 4.52 µg/m³
  • O3: 0.024 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.

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

Pollutant Concentrations:

  • PM2.5: 1.13 µg/m³
  • PM10: 4.13 µg/m³
  • O3: 0.023 ppm
  • NO2: 1 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
21 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.04 µg/m³
  • PM10: 3.61 µg/m³
  • O3: 0.022 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.04 µg/m³
  • PM10: 3.39 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.1 µg/m³
  • PM10: 3.46 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.23 µg/m³
  • PM10: 3.79 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.9 ppb
  • SO2: 1.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.5 µg/m³
  • PM10: 4.4 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.6 ppb
  • SO2: 1.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.9 µg/m³
  • PM10: 5.49 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.4 ppb
  • SO2: 1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.15 µg/m³
  • PM10: 7.37 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.13 µg/m³
  • PM10: 7.51 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.97 µg/m³
  • PM10: 6.52 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.1 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
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.78 µg/m³
  • PM10: 5.48 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 5.01 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.64 µg/m³
  • PM10: 5.05 µg/m³
  • O3: 0.039 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.

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

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 5.27 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.3 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
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.73 µg/m³
  • PM10: 5.28 µg/m³
  • O3: 0.037 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.

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

Pollutant Concentrations:

  • PM2.5: 1.79 µg/m³
  • PM10: 5.14 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.75 µg/m³
  • PM10: 4.78 µg/m³
  • O3: 0.034 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.

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

Pollutant Concentrations:

  • PM2.5: 1.76 µg/m³
  • PM10: 4.76 µg/m³
  • O3: 0.032 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.