Hourly Weather | Today Wednesday, February 25, 2026
Salt Lake City, Utah
10 PM
Cloudy Night
48°
Feels Like 45°
27
Humidity: 74%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
46°
Feels Like 45°
27
Humidity: 81%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.66 µg/m³
  • PM10: 2.36 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.73 µg/m³
  • PM10: 2.59 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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