Hourly Weather | Today Monday, June 29, 2026
St. George, Utah
9 PM
Cloudy Night
84°
Feels Like 82°
0
Humidity: 10%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
82°
Feels Like 81°
0
Humidity: 12%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
79°
Feels Like 77°
0
Humidity: 13%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 PM
73 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.85 µg/m³
  • PM10: 17.71 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

10 PM
68 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.43 µg/m³
  • PM10: 19.99 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

11 PM
62 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.95 µg/m³
  • PM10: 21.68 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

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