Hourly Weather | Today Wednesday, February 25, 2026
St. George, Utah
11 PM
Cloudy Night
59°
Feels Like 57°
0
Humidity: 48%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
122 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 32.22 µg/m³
  • PM10: 57.21 µg/m³
  • O3: 0.077 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.