Hourly Weather | Today Wednesday, May 20, 2026
Layton, Utah
5 PM
Cloudy Weather
68°
Feels Like 72°
0
Humidity: 16%
UV Index: 3
Wind: 6 mph
6 PM
Cloudy Weather
68°
Feels Like 70°
0
Humidity: 17%
UV Index: 2
Wind: 5 mph
7 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 17%
UV Index: 1
Wind: 6 mph
8 PM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 20%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Weather
63°
Feels Like 61°
0
Humidity: 23%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Weather
59°
Feels Like 57°
0
Humidity: 27%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
57°
Feels Like 55°
2
Humidity: 29%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 PM
54 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.22 µg/m³
  • PM10: 4.62 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
55 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.17 µg/m³
  • PM10: 4.65 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
54 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.15 µg/m³
  • PM10: 4.73 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
52 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.15 µg/m³
  • PM10: 4.89 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 1.16 µg/m³
  • PM10: 5.06 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.19 µg/m³
  • PM10: 5.02 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.26 µg/m³
  • PM10: 4.95 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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