Hourly Weather | Today Thursday, December 4, 2025
Salt Lake City, Utah
3 AM
Cloudy Night
28°
Feels Like 27°
0
Humidity: 86%
Wind: 5 mph
UV Index: 0
4 AM
Cloudy Night
28°
Feels Like 25°
0
Humidity: 87%
Wind: 6 mph
UV Index: 0
5 AM
Cloudy Night
28°
Feels Like 25°
0
Humidity: 87%
Wind: 6 mph
UV Index: 0
6 AM
Cloudy Night
27°
Feels Like 23°
0
Humidity: 88%
Wind: 6 mph
UV Index: 0
7 AM
Cloudy Night
28°
Feels Like 25°
0
Humidity: 81%
Wind: 6 mph
UV Index: 0
8 AM
Cloudy Weather
30°
Feels Like 27°
0
Humidity: 80%
Wind: 6 mph
UV Index: 1
9 AM
Cloudy Weather
32°
Feels Like 30°
0
Humidity: 73%
Wind: 7 mph
UV Index: 1
10 AM
Cloudy Weather
36°
Feels Like 34°
0
Humidity: 64%
Wind: 7 mph
UV Index: 2
11 AM
Cloudy Weather
37°
Feels Like 37°
0
Humidity: 57%
Wind: 7 mph
UV Index: 2
12 PM
Cloudy Weather
39°
Feels Like 39°
0
Humidity: 54%
Wind: 7 mph
UV Index: 2
1 PM
Cloudy Weather
41°
Feels Like 41°
0
Humidity: 51%
Wind: 7 mph
UV Index: 2
2 PM
Cloudy Weather
43°
Feels Like 43°
0
Humidity: 50%
Wind: 7 mph
UV Index: 2
3 PM
Cloudy Weather
43°
Feels Like 43°
0
Humidity: 47%
Wind: 7 mph
UV Index: 1
4 PM
Cloudy Weather
41°
Feels Like 37°
0
Humidity: 51%
Wind: 7 mph
UV Index: 1
5 PM
Cloudy Weather
37°
Feels Like 36°
0
Humidity: 56%
Wind: 6 mph
UV Index: 0
6 PM
Cloudy Night
36°
Feels Like 34°
2
Humidity: 63%
Wind: 6 mph
UV Index: 0
7 PM
Cloudy Weather
36°
Feels Like 32°
7
Humidity: 67%
Wind: 6 mph
UV Index: 0
8 PM
Cloudy Weather
36°
Feels Like 32°
7
Humidity: 69%
Wind: 6 mph
UV Index: 0
9 PM
Cloudy Weather
36°
Feels Like 32°
7
Humidity: 70%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy Weather
36°
Feels Like 32°
7
Humidity: 68%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Weather
34°
Feels Like 30°
7
Humidity: 73%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

3 AM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.5 µg/m³
  • PM10: 7.86 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.1 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

4 AM
21 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.66 µg/m³
  • PM10: 8.24 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.2 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

5 AM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.82 µg/m³
  • PM10: 8.54 µg/m³
  • O3: 0.022 ppm
  • NO2: 2.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.99 µg/m³
  • PM10: 8.74 µg/m³
  • O3: 0.022 ppm
  • NO2: 2.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

7 AM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.22 µg/m³
  • PM10: 9.08 µg/m³
  • O3: 0.021 ppm
  • NO2: 2.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

8 AM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.5 µg/m³
  • PM10: 9.51 µg/m³
  • O3: 0.021 ppm
  • NO2: 3.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

9 AM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.66 µg/m³
  • PM10: 9.78 µg/m³
  • O3: 0.021 ppm
  • NO2: 4 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

10 AM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.68 µg/m³
  • PM10: 10.05 µg/m³
  • O3: 0.022 ppm
  • NO2: 3.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

11 AM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.7 µg/m³
  • PM10: 10.56 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

12 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.16 µg/m³
  • PM10: 10.95 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.01 µg/m³
  • PM10: 10.13 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3 µg/m³
  • PM10: 9.69 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.24 µg/m³
  • PM10: 10.03 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.55 µg/m³
  • PM10: 10.84 µg/m³
  • O3: 0.032 ppm
  • NO2: 2 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.86 µg/m³
  • PM10: 11.64 µg/m³
  • O3: 0.031 ppm
  • NO2: 3 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.24 µg/m³
  • PM10: 12.21 µg/m³
  • O3: 0.029 ppm
  • NO2: 3.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.64 µg/m³
  • PM10: 12.61 µg/m³
  • O3: 0.027 ppm
  • NO2: 4.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.03 µg/m³
  • PM10: 12.93 µg/m³
  • O3: 0.026 ppm
  • NO2: 4.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.36 µg/m³
  • PM10: 13.07 µg/m³
  • O3: 0.025 ppm
  • NO2: 5 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

10 PM
24 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.71 µg/m³
  • PM10: 13.29 µg/m³
  • O3: 0.025 ppm
  • NO2: 5.1 ppb
  • SO2: 1.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

11 PM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.08 µg/m³
  • PM10: 13.67 µg/m³
  • O3: 0.025 ppm
  • NO2: 5.2 ppb
  • SO2: 1.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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