Hourly Weather | Today Monday, September 21, 2026
Lehi, Utah
2 PM
Cloudy Weather
77°
Feels Like 82°
0
Humidity: 26%
UV Index: 5
Wind: 7 mph
3 PM
Cloudy Weather
79°
Feels Like 82°
0
Humidity: 23%
UV Index: 4
Wind: 7 mph
4 PM
Cloudy Weather
81°
Feels Like 81°
0
Humidity: 22%
UV Index: 3
Wind: 7 mph
5 PM
Cloudy Weather
79°
Feels Like 79°
0
Humidity: 23%
UV Index: 2
Wind: 7 mph
6 PM
Cloudy Weather
77°
Feels Like 75°
0
Humidity: 24%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Weather
73°
Feels Like 72°
0
Humidity: 28%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
72°
Feels Like 68°
0
Humidity: 33%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
68°
Feels Like 64°
0
Humidity: 37%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 41%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 42%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 6.76 µg/m³
  • PM10: 11.25 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.5 ppb
  • SO2: 1.9 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: 6.5 µg/m³
  • PM10: 11.06 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.4 ppb
  • SO2: 1.6 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.86 µg/m³
  • PM10: 11.05 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.4 ppb
  • SO2: 1.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.3 µg/m³
  • PM10: 11.12 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.5 ppb
  • SO2: 0.9 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.95 µg/m³
  • PM10: 10.62 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.8 µg/m³
  • PM10: 10.04 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.83 µg/m³
  • PM10: 9.92 µg/m³
  • O3: 0.043 ppm
  • NO2: 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.

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

Pollutant Concentrations:

  • PM2.5: 4.86 µg/m³
  • PM10: 9.93 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 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: 4.86 µg/m³
  • PM10: 9.81 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.5 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
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.86 µg/m³
  • PM10: 9.7 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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