Hourly Weather | Today › Wednesday, October 28, 2026
Salt Lake City, Utah
10 AM
Cloudy Weather
48°
Feels Like 52°
0
Humidity: 75%
UV Index: 2
Wind: 5 mph
11 AM
Cloudy Weather
52°
Feels Like 55°
0
Humidity: 69%
UV Index: 3
Wind: 5 mph
12 PM
Cloudy Weather
55°
Feels Like 61°
0
Humidity: 57%
UV Index: 3
Wind: 6 mph
1 PM
Cloudy Weather
57°
Feels Like 61°
0
Humidity: 50%
UV Index: 3
Wind: 6 mph
2 PM
Cloudy Weather
57°
Feels Like 61°
0
Humidity: 46%
UV Index: 3
Wind: 7 mph
3 PM
Cloudy Weather
61°
Feels Like 61°
0
Humidity: 44%
UV Index: 3
Wind: 8 mph
4 PM
Cloudy Weather
63°
Feels Like 63°
0
Humidity: 41%
UV Index: 2
Wind: 8 mph
5 PM
Cloudy Weather
59°
Feels Like 57°
0
Humidity: 44%
UV Index: 1
Wind: 8 mph
6 PM
Cloudy Weather
57°
Feels Like 55°
0
Humidity: 46%
UV Index: 0
Wind: 8 mph
7 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 52%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 59%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
52°
Feels Like 52°
0
Humidity: 63%
UV Index: 0
Wind: 4 mph
10 PM
Cloudy Night
50°
Feels Like 48°
0
Humidity: 64%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 65%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.11 µg/m³
  • PM10: 12.15 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.7 ppb
  • SO2: 0 ppb
  • CO: 0.11 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: 4.18 µg/m³
  • PM10: 12.75 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.5 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.3 µg/m³
  • PM10: 13.85 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.12 µg/m³
  • PM10: 19.54 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6 µg/m³
  • PM10: 21.91 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.55 µg/m³
  • PM10: 22.53 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

4 PM
53 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.97 µg/m³
  • PM10: 22.4 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.18 µg/m³
  • PM10: 22.07 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.34 µg/m³
  • PM10: 22.18 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.48 µg/m³
  • PM10: 21.97 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.57 µg/m³
  • PM10: 21.36 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.68 µg/m³
  • PM10: 20.88 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.78 µg/m³
  • PM10: 20.27 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.94 µg/m³
  • PM10: 20.04 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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