Hourly Weather | Today Wednesday, March 18, 2026
Herriman, Utah
6 AM
Cloudy Night
48°
Feels Like 43°
0
Humidity: 48%
UV Index: 0
Wind: 8 mph
7 AM
Cloudy Night
46°
Feels Like 43°
0
Humidity: 50%
UV Index: 0
Wind: 7 mph
8 AM
Sunny Weather
48°
Feels Like 46°
0
Humidity: 51%
UV Index: 1
Wind: 8 mph
9 AM
Sunny Weather
54°
Feels Like 52°
0
Humidity: 41%
UV Index: 2
Wind: 8 mph
10 AM
Sunny Weather
57°
Feels Like 59°
0
Humidity: 36%
UV Index: 3
Wind: 8 mph
11 AM
Sunny Weather
66°
Feels Like 68°
0
Humidity: 27%
UV Index: 4
Wind: 9 mph
12 PM
Sunny Weather
70°
Feels Like 73°
0
Humidity: 23%
UV Index: 5
Wind: 9 mph
1 PM
Sunny Weather
73°
Feels Like 77°
0
Humidity: 21%
UV Index: 5
Wind: 9 mph
2 PM
Sunny Weather
77°
Feels Like 81°
0
Humidity: 19%
UV Index: 5
Wind: 8 mph
3 PM
Sunny Weather
79°
Feels Like 82°
0
Humidity: 18%
UV Index: 4
Wind: 8 mph
4 PM
Sunny Weather
81°
Feels Like 82°
0
Humidity: 17%
UV Index: 3
Wind: 7 mph
5 PM
Sunny Weather
82°
Feels Like 82°
0
Humidity: 16%
UV Index: 2
Wind: 6 mph
6 PM
Sunny Weather
79°
Feels Like 79°
0
Humidity: 18%
UV Index: 1
Wind: 6 mph
7 PM
Sunny Weather
75°
Feels Like 73°
0
Humidity: 20%
UV Index: 0
Wind: 6 mph
8 PM
Night
72°
Feels Like 70°
0
Humidity: 23%
UV Index: 0
Wind: 4 mph
9 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 27%
UV Index: 0
Wind: 4 mph
10 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 30%
UV Index: 0
Wind: 6 mph
11 PM
Night
61°
Feels Like 59°
0
Humidity: 32%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 AM
29 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.91 µg/m³
  • PM10: 12.13 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

7 AM
33 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.88 µg/m³
  • PM10: 13.2 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

8 AM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.81 µg/m³
  • PM10: 14.29 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.5 ppb
  • SO2: 0.9 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

9 AM
40 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.53 µg/m³
  • PM10: 15.18 µg/m³
  • O3: 0.029 ppm
  • NO2: 3.1 ppb
  • SO2: 1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

10 AM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.97 µg/m³
  • PM10: 15.62 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.12 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.13 µg/m³
  • PM10: 15.87 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.2 ppb
  • SO2: 1.1 ppb
  • CO: 0.12 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.57 µg/m³
  • PM10: 15.66 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.9 ppb
  • SO2: 1.9 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.35 µg/m³
  • PM10: 12.06 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.7 ppb
  • SO2: 2.1 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: 4.55 µg/m³
  • PM10: 11.05 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.4 ppb
  • SO2: 1.2 ppb
  • CO: 0.09 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: 3.93 µg/m³
  • PM10: 9.97 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.3 ppb
  • SO2: 0.8 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: 2.27 µg/m³
  • PM10: 5.65 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 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: 1.49 µg/m³
  • PM10: 3.73 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: 1.31 µg/m³
  • PM10: 3.35 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.46 µg/m³
  • PM10: 3.66 µg/m³
  • O3: 0.045 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.

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

Pollutant Concentrations:

  • PM2.5: 1.98 µg/m³
  • PM10: 4.53 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 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: 2.75 µg/m³
  • PM10: 5.66 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.87 µg/m³
  • PM10: 7.07 µg/m³
  • O3: 0.034 ppm
  • NO2: 2.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.11 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: 5.09 µg/m³
  • PM10: 8.61 µg/m³
  • O3: 0.032 ppm
  • NO2: 2.7 ppb
  • SO2: 1.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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