Hourly Weather | Today Wednesday, March 18, 2026
Layton, Utah
8 AM
Sunny Weather
50°
Feels Like 46°
0
Humidity: 43%
UV Index: 1
Wind: 9 mph
9 AM
Sunny Weather
54°
Feels Like 52°
0
Humidity: 39%
UV Index: 2
Wind: 9 mph
10 AM
Sunny Weather
57°
Feels Like 57°
0
Humidity: 35%
UV Index: 3
Wind: 9 mph
11 AM
Sunny Weather
63°
Feels Like 64°
0
Humidity: 31%
UV Index: 4
Wind: 9 mph
12 PM
Cloudy Weather
66°
Feels Like 70°
0
Humidity: 26%
UV Index: 5
Wind: 9 mph
1 PM
Sunny Weather
72°
Feels Like 75°
0
Humidity: 22%
UV Index: 5
Wind: 9 mph
2 PM
Sunny Weather
73°
Feels Like 77°
0
Humidity: 20%
UV Index: 5
Wind: 8 mph
3 PM
Sunny Weather
75°
Feels Like 77°
0
Humidity: 19%
UV Index: 4
Wind: 8 mph
4 PM
Sunny Weather
75°
Feels Like 77°
0
Humidity: 18%
UV Index: 3
Wind: 7 mph
5 PM
Sunny Weather
77°
Feels Like 79°
0
Humidity: 17%
UV Index: 2
Wind: 6 mph
6 PM
Sunny Weather
75°
Feels Like 75°
0
Humidity: 19%
UV Index: 1
Wind: 5 mph
7 PM
Sunny Weather
73°
Feels Like 72°
0
Humidity: 20%
UV Index: 0
Wind: 6 mph
8 PM
Night
70°
Feels Like 68°
0
Humidity: 22%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 25%
UV Index: 0
Wind: 9 mph
10 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 27%
UV Index: 0
Wind: 9 mph
11 PM
Cloudy Night
63°
Feels Like 57°
0
Humidity: 31%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 9.5 µg/m³
  • PM10: 15.47 µg/m³
  • O3: 0.029 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.

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

Pollutant Concentrations:

  • PM2.5: 10.48 µg/m³
  • PM10: 16.57 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.9 ppb
  • SO2: 0.8 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.26 µg/m³
  • PM10: 17.32 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.18 µg/m³
  • PM10: 17.13 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.3 ppb
  • SO2: 1.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.93 µg/m³
  • PM10: 16.86 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.1 ppb
  • SO2: 1.9 ppb
  • CO: 0.13 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: 5.3 µg/m³
  • PM10: 9.77 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.9 ppb
  • SO2: 3.4 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: 4.66 µg/m³
  • PM10: 8.53 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.6 ppb
  • SO2: 2.7 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.76 µg/m³
  • PM10: 8.36 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.5 ppb
  • SO2: 2.4 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.76 µg/m³
  • PM10: 6.41 µg/m³
  • O3: 0.048 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.

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

Pollutant Concentrations:

  • PM2.5: 3.11 µg/m³
  • PM10: 5.29 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.3 ppb
  • SO2: 1.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.86 µg/m³
  • PM10: 4.99 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.4 ppb
  • SO2: 1.1 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: 3.03 µg/m³
  • PM10: 5.26 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.9 ppb
  • SO2: 1 ppb
  • CO: 0.09 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: 3.39 µg/m³
  • PM10: 5.82 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.75 µg/m³
  • PM10: 6.42 µg/m³
  • O3: 0.039 ppm
  • NO2: 2 ppb
  • SO2: 0.9 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.29 µg/m³
  • PM10: 7.19 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.2 ppb
  • SO2: 1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.26 µg/m³
  • PM10: 8.42 µg/m³
  • O3: 0.038 ppm
  • NO2: 2.4 ppb
  • SO2: 1.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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