Hourly Weather | Today Wednesday, March 18, 2026
West Valley City, Utah
11 AM
Sunny Weather
64°
Feels Like 66°
0
Humidity: 28%
UV Index: 4
Wind: 10 mph
12 PM
Sunny Weather
72°
Feels Like 73°
0
Humidity: 21%
UV Index: 5
Wind: 10 mph
1 PM
Sunny Weather
75°
Feels Like 79°
0
Humidity: 19%
UV Index: 5
Wind: 9 mph
2 PM
Sunny Weather
79°
Feels Like 81°
0
Humidity: 17%
UV Index: 5
Wind: 9 mph
3 PM
Sunny Weather
79°
Feels Like 82°
0
Humidity: 16%
UV Index: 4
Wind: 8 mph
4 PM
Sunny Weather
81°
Feels Like 82°
0
Humidity: 16%
UV Index: 3
Wind: 8 mph
5 PM
Sunny Weather
82°
Feels Like 82°
0
Humidity: 15%
UV Index: 2
Wind: 7 mph
6 PM
Sunny Weather
79°
Feels Like 79°
0
Humidity: 17%
UV Index: 1
Wind: 7 mph
7 PM
Sunny Weather
75°
Feels Like 73°
0
Humidity: 20%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
77°
Feels Like 73°
0
Humidity: 20%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
72°
Feels Like 70°
0
Humidity: 23%
UV Index: 0
Wind: 7 mph
10 PM
Night
70°
Feels Like 66°
0
Humidity: 25%
UV Index: 0
Wind: 8 mph
11 PM
Night
66°
Feels Like 63°
0
Humidity: 27%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 AM
41 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.84 µg/m³
  • PM10: 16.27 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.1 ppb
  • SO2: 1.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

12 PM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.1 µg/m³
  • PM10: 15.84 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.7 ppb
  • SO2: 2.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.37 µg/m³
  • PM10: 12.33 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.7 ppb
  • SO2: 2.8 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.62 µg/m³
  • PM10: 11.44 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.3 ppb
  • SO2: 1.7 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4 µg/m³
  • PM10: 10.45 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.2 ppb
  • SO2: 1.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.16 µg/m³
  • PM10: 5.66 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.36 µg/m³
  • PM10: 3.66 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.14 µg/m³
  • PM10: 3.21 µg/m³
  • O3: 0.047 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.

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

Pollutant Concentrations:

  • PM2.5: 1.22 µg/m³
  • PM10: 3.41 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.4 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
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.8 µg/m³
  • PM10: 4.37 µg/m³
  • O3: 0.041 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.87 µg/m³
  • PM10: 5.89 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.10 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: 4.54 µg/m³
  • PM10: 8 µg/m³
  • O3: 0.034 ppm
  • NO2: 2.2 ppb
  • SO2: 1.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.33 µg/m³
  • PM10: 10.28 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.7 ppb
  • SO2: 1.7 ppb
  • CO: 0.11 ppm

Health Recommendations:

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