Hourly Weather | Today Saturday, August 29, 2026
Salt Lake City, Utah
3 AM
Cloudy Weather
70°
Feels Like 66°
34
Humidity: 68%
UV Index: 0
Wind: 9 mph
4 AM
Cloudy Night
70°
Feels Like 66°
37
Humidity: 70%
UV Index: 0
Wind: 8 mph
5 AM
Cloudy Night
68°
Feels Like 66°
43
Humidity: 71%
UV Index: 0
Wind: 8 mph
6 AM
Cloudy Weather
68°
Feels Like 64°
47
Humidity: 73%
UV Index: 0
Wind: 7 mph
7 AM
Stormy Weather
66°
Feels Like 61°
51
Humidity: 77%
UV Index: 0
Wind: 7 mph
8 AM
Cloudy Weather
64°
Feels Like 64°
25
Humidity: 82%
UV Index: 1
Wind: 7 mph
9 AM
Cloudy Weather
66°
Feels Like 66°
20
Humidity: 76%
UV Index: 1
Wind: 7 mph
10 AM
Cloudy Weather
70°
Feels Like 70°
20
Humidity: 74%
UV Index: 2
Wind: 8 mph
11 AM
Cloudy Weather
72°
Feels Like 72°
20
Humidity: 68%
UV Index: 3
Wind: 9 mph
12 PM
Cloudy Weather
73°
Feels Like 73°
20
Humidity: 62%
UV Index: 4
Wind: 10 mph
1 PM
Cloudy Weather
75°
Feels Like 75°
19
Humidity: 57%
UV Index: 4
Wind: 10 mph
2 PM
Cloudy Weather
77°
Feels Like 81°
18
Humidity: 52%
UV Index: 5
Wind: 9 mph
3 PM
Cloudy Weather
81°
Feels Like 82°
18
Humidity: 46%
UV Index: 4
Wind: 10 mph
4 PM
Cloudy Weather
79°
Feels Like 79°
23
Humidity: 49%
UV Index: 3
Wind: 12 mph
5 PM
Cloudy Weather
77°
Feels Like 75°
49
Humidity: 50%
UV Index: 2
Wind: 12 mph
6 PM
Cloudy Weather
75°
Feels Like 72°
49
Humidity: 53%
UV Index: 1
Wind: 12 mph
7 PM
Sunny with a Chance of Thunderstorms
72°
Feels Like 64°
56
Humidity: 71%
UV Index: 0
Wind: 12 mph
8 PM
Cloudy Weather
70°
Feels Like 66°
40
Humidity: 67%
UV Index: 0
Wind: 10 mph
9 PM
Cloudy Night
70°
Feels Like 66°
34
Humidity: 64%
UV Index: 0
Wind: 10 mph
10 PM
Cloudy Night
70°
Feels Like 66°
37
Humidity: 57%
UV Index: 0
Wind: 10 mph
11 PM
Cloudy Night
68°
Feels Like 64°
43
Humidity: 58%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.54 µg/m³
  • PM10: 3.46 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.46 µg/m³
  • PM10: 3.41 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.35 µg/m³
  • PM10: 3.32 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.25 µg/m³
  • PM10: 3.22 µg/m³
  • O3: 0.022 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.08 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: 1.17 µg/m³
  • PM10: 3.08 µg/m³
  • O3: 0.021 ppm
  • NO2: 1.4 ppb
  • SO2: 0 ppb
  • CO: 0.08 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: 1.12 µg/m³
  • PM10: 3.06 µg/m³
  • O3: 0.020 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.09 µg/m³
  • PM10: 3.15 µg/m³
  • O3: 0.020 ppm
  • NO2: 2 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.1 µg/m³
  • PM10: 3.5 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.17 µg/m³
  • PM10: 3.58 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.35 µg/m³
  • PM10: 3.76 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.58 µg/m³
  • PM10: 3.76 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.91 µg/m³
  • PM10: 3.86 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.37 µg/m³
  • PM10: 4.02 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.08 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: 2.29 µg/m³
  • PM10: 3.39 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.12 µg/m³
  • PM10: 2.89 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.98 µg/m³
  • PM10: 2.64 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.84 µg/m³
  • PM10: 2.6 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.72 µg/m³
  • PM10: 2.68 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.63 µg/m³
  • PM10: 2.76 µg/m³
  • O3: 0.033 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.54 µg/m³
  • PM10: 2.78 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.47 µg/m³
  • PM10: 2.78 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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