Hourly Weather | Today Wednesday, September 24, 2025
Salt Lake City, Utah
4 PM
Sunny Weather
81°
Feels Like 81°
0
Humidity: 23%
Wind: 7 mph
UV Index: 28
5 PM
Sunny Weather
81°
Feels Like 81°
0
Humidity: 23%
Wind: 8 mph
UV Index: 19
6 PM
Sunny Weather
79°
Feels Like 79°
0
Humidity: 25%
Wind: 8 mph
UV Index: 9
7 PM
Sunny Weather
75°
Feels Like 73°
0
Humidity: 29%
Wind: 7 mph
UV Index: 0
8 PM
Night
72°
Feels Like 70°
0
Humidity: 36%
Wind: 6 mph
UV Index: 0
9 PM
Night
70°
Feels Like 66°
0
Humidity: 42%
Wind: 6 mph
UV Index: 0
10 PM
Night
66°
Feels Like 64°
0
Humidity: 44%
Wind: 6 mph
UV Index: 0
11 PM
Night
63°
Feels Like 63°
0
Humidity: 47%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

4 PM
41 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 2.92 µg/m³
  • PM10: 5.75 µg/m³
  • O₃: 59.38 ppb
  • NO₂: 1.08 ppb
  • SO₂: 0.65 ppb
  • CO: 122.62 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

5 PM
46 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 3.26 µg/m³
  • PM10: 6.64 µg/m³
  • O₃: 59.81 ppb
  • NO₂: 1.28 ppb
  • SO₂: 0.68 ppb
  • CO: 123.73 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

6 PM
50 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 3.62 µg/m³
  • PM10: 7.65 µg/m³
  • O₃: 60.25 ppb
  • NO₂: 1.47 ppb
  • SO₂: 0.71 ppb
  • CO: 124.84 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

7 PM
55 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 4.37 µg/m³
  • PM10: 10.02 µg/m³
  • O₃: 53.78 ppb
  • NO₂: 4.68 ppb
  • SO₂: 0.77 ppb
  • CO: 147.29 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 PM
54 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 5.73 µg/m³
  • PM10: 13.63 µg/m³
  • O₃: 47.32 ppb
  • NO₂: 7.90 ppb
  • SO₂: 0.82 ppb
  • CO: 169.75 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 PM
50 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.71 µg/m³
  • PM10: 14.23 µg/m³
  • O₃: 40.85 ppb
  • NO₂: 11.12 ppb
  • SO₂: 0.87 ppb
  • CO: 192.21 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

10 PM
47 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.53 µg/m³
  • PM10: 12.88 µg/m³
  • O₃: 33.91 ppb
  • NO₂: 14.48 ppb
  • SO₂: 0.87 ppb
  • CO: 214.47 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

11 PM
44 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 8.50 µg/m³
  • PM10: 12.55 µg/m³
  • O₃: 26.97 ppb
  • NO₂: 17.84 ppb
  • SO₂: 0.87 ppb
  • CO: 236.73 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors