Hourly Weather | Today Tuesday, April 7, 2026
St. George, Utah
10 AM
Cloudy Weather
63°
Feels Like 72°
0
Humidity: 30%
UV Index: 4
Wind: 5 mph
11 AM
Cloudy Weather
70°
Feels Like 75°
0
Humidity: 24%
UV Index: 5
Wind: 5 mph
12 PM
Cloudy Weather
73°
Feels Like 82°
0
Humidity: 20%
UV Index: 7
Wind: 6 mph
1 PM
Cloudy Weather
79°
Feels Like 84°
0
Humidity: 16%
UV Index: 8
Wind: 7 mph
2 PM
Cloudy Weather
82°
Feels Like 88°
0
Humidity: 12%
UV Index: 7
Wind: 9 mph
3 PM
Cloudy Weather
84°
Feels Like 88°
0
Humidity: 9%
UV Index: 5
Wind: 10 mph
4 PM
Cloudy Weather
88°
Feels Like 88°
0
Humidity: 8%
UV Index: 4
Wind: 12 mph
5 PM
Cloudy Weather
88°
Feels Like 88°
0
Humidity: 8%
UV Index: 2
Wind: 12 mph
6 PM
Cloudy Weather
86°
Feels Like 84°
0
Humidity: 8%
UV Index: 1
Wind: 12 mph
7 PM
Cloudy Weather
84°
Feels Like 81°
0
Humidity: 8%
UV Index: 0
Wind: 10 mph
8 PM
Sunny Weather
81°
Feels Like 79°
0
Humidity: 9%
UV Index: 0
Wind: 8 mph
9 PM
Night
77°
Feels Like 73°
0
Humidity: 10%
UV Index: 0
Wind: 7 mph
10 PM
Night
72°
Feels Like 70°
0
Humidity: 12%
UV Index: 0
Wind: 7 mph
11 PM
Night
70°
Feels Like 66°
0
Humidity: 15%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.42 µg/m³
  • PM10: 13.84 µg/m³
  • O3: 0.032 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.

11 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.23 µg/m³
  • PM10: 13.93 µg/m³
  • O3: 0.032 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.

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

Pollutant Concentrations:

  • PM2.5: 4.46 µg/m³
  • PM10: 14.93 µg/m³
  • O3: 0.035 ppm
  • NO2: 1 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
62 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.88 µg/m³
  • PM10: 23.31 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 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.

2 PM
79 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.8 µg/m³
  • PM10: 21.07 µg/m³
  • O3: 0.063 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 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.

3 PM
84 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.64 µg/m³
  • PM10: 19.47 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 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.

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

Pollutant Concentrations:

  • PM2.5: 5.9 µg/m³
  • PM10: 19.42 µg/m³
  • O3: 0.066 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 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
88 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.3 µg/m³
  • PM10: 20.19 µg/m³
  • O3: 0.066 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 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
89 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.51 µg/m³
  • PM10: 20.5 µg/m³
  • O3: 0.066 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 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.

7 PM
92 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.65 µg/m³
  • PM10: 20.62 µg/m³
  • O3: 0.067 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 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.

8 PM
92 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.72 µg/m³
  • PM10: 20.56 µg/m³
  • O3: 0.067 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 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.

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

Pollutant Concentrations:

  • PM2.5: 6.74 µg/m³
  • PM10: 20.48 µg/m³
  • O3: 0.067 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 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.

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

Pollutant Concentrations:

  • PM2.5: 6.72 µg/m³
  • PM10: 20.3 µg/m³
  • O3: 0.066 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 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.

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

Pollutant Concentrations:

  • PM2.5: 7.12 µg/m³
  • PM10: 20.52 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 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.