Hourly Weather | Today Wednesday, March 18, 2026
Lehi, Utah
6 AM
Cloudy Night
43°
Feels Like 39°
0
Humidity: 58%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Night
43°
Feels Like 37°
0
Humidity: 60%
UV Index: 0
Wind: 7 mph
8 AM
Sunny Weather
45°
Feels Like 43°
0
Humidity: 57%
UV Index: 1
Wind: 7 mph
9 AM
Sunny Weather
48°
Feels Like 48°
0
Humidity: 50%
UV Index: 2
Wind: 7 mph
10 AM
Sunny Weather
54°
Feels Like 55°
0
Humidity: 43%
UV Index: 3
Wind: 7 mph
11 AM
Sunny Weather
61°
Feels Like 64°
0
Humidity: 32%
UV Index: 4
Wind: 8 mph
12 PM
Sunny Weather
66°
Feels Like 72°
0
Humidity: 26%
UV Index: 5
Wind: 8 mph
1 PM
Sunny Weather
72°
Feels Like 75°
0
Humidity: 21%
UV Index: 5
Wind: 8 mph
2 PM
Sunny Weather
75°
Feels Like 79°
0
Humidity: 18%
UV Index: 5
Wind: 8 mph
3 PM
Sunny Weather
79°
Feels Like 81°
0
Humidity: 16%
UV Index: 4
Wind: 8 mph
4 PM
Sunny Weather
81°
Feels Like 82°
0
Humidity: 15%
UV Index: 3
Wind: 7 mph
5 PM
Sunny Weather
82°
Feels Like 82°
0
Humidity: 14%
UV Index: 2
Wind: 7 mph
6 PM
Sunny Weather
79°
Feels Like 79°
0
Humidity: 15%
UV Index: 1
Wind: 6 mph
7 PM
Sunny Weather
75°
Feels Like 73°
0
Humidity: 17%
UV Index: 0
Wind: 6 mph
8 PM
Night
72°
Feels Like 70°
0
Humidity: 20%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 24%
UV Index: 0
Wind: 7 mph
10 PM
Night
64°
Feels Like 63°
0
Humidity: 27%
UV Index: 0
Wind: 7 mph
11 PM
Night
61°
Feels Like 59°
0
Humidity: 30%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 6.61 µg/m³
  • PM10: 10.53 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.1 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
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.22 µg/m³
  • PM10: 11.11 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.1 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
32 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.73 µg/m³
  • PM10: 11.67 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.01 µg/m³
  • PM10: 12 µg/m³
  • O3: 0.029 ppm
  • NO2: 3.1 ppb
  • SO2: 0.8 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.86 µg/m³
  • PM10: 11.79 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.34 µg/m³
  • PM10: 11.32 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.79 µg/m³
  • PM10: 11.06 µg/m³
  • O3: 0.027 ppm
  • NO2: 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.

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

Pollutant Concentrations:

  • PM2.5: 4.67 µg/m³
  • PM10: 9.55 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.1 ppb
  • SO2: 1.7 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.26 µg/m³
  • PM10: 8.91 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.8 ppb
  • SO2: 1.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.04 µg/m³
  • PM10: 8.29 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.7 ppb
  • SO2: 1.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.25 µg/m³
  • PM10: 5.95 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.87 µg/m³
  • PM10: 4.83 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.74 µg/m³
  • PM10: 4.54 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.17 µg/m³
  • PM10: 5.06 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.09 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: 3.91 µg/m³
  • PM10: 6.02 µg/m³
  • O3: 0.041 ppm
  • NO2: 2.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.6 µg/m³
  • PM10: 6.88 µg/m³
  • O3: 0.039 ppm
  • NO2: 2.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.9 µg/m³
  • PM10: 7.23 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.9 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
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.9 µg/m³
  • PM10: 7.31 µg/m³
  • O3: 0.036 ppm
  • NO2: 3 ppb
  • SO2: 0.8 ppb
  • CO: 0.12 ppm

Health Recommendations:

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