Hourly Weather | Today Tuesday, September 1, 2026
St. Cloud, Minnesota
11 AM
Cloudy Weather
75°
Feels Like 79°
0
Humidity: 51%
UV Index: 4
Wind: 7 mph
12 PM
Cloudy Weather
79°
Feels Like 82°
0
Humidity: 43%
UV Index: 5
Wind: 8 mph
1 PM
Cloudy Weather
82°
Feels Like 86°
0
Humidity: 39%
UV Index: 6
Wind: 8 mph
2 PM
Cloudy Weather
82°
Feels Like 86°
0
Humidity: 36%
UV Index: 5
Wind: 8 mph
3 PM
Cloudy Weather
84°
Feels Like 88°
0
Humidity: 34%
UV Index: 4
Wind: 9 mph
4 PM
Cloudy Weather
84°
Feels Like 84°
0
Humidity: 35%
UV Index: 3
Wind: 9 mph
5 PM
Cloudy Weather
82°
Feels Like 82°
0
Humidity: 37%
UV Index: 2
Wind: 9 mph
6 PM
Cloudy Weather
81°
Feels Like 79°
0
Humidity: 41%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
79°
Feels Like 75°
1
Humidity: 48%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Night
77°
Feels Like 73°
24
Humidity: 52%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
73°
Feels Like 72°
24
Humidity: 57%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
72°
Feels Like 70°
29
Humidity: 63%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
70°
Feels Like 66°
47
Humidity: 69%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 AM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.98 µg/m³
  • PM10: 5.59 µg/m³
  • O3: 0.016 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

12 PM
24 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.81 µg/m³
  • PM10: 6.34 µg/m³
  • O3: 0.022 ppm
  • NO2: 1 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

1 PM
33 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.02 µg/m³
  • PM10: 8.56 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

2 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.52 µg/m³
  • PM10: 5.87 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

3 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.42 µg/m³
  • PM10: 4.75 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

4 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.22 µg/m³
  • PM10: 4.55 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

5 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.36 µg/m³
  • PM10: 4.73 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

6 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.63 µg/m³
  • PM10: 5.06 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

7 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.86 µg/m³
  • PM10: 5.33 µg/m³
  • O3: 0.026 ppm
  • NO2: 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.

8 PM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.03 µg/m³
  • PM10: 5.58 µg/m³
  • O3: 0.022 ppm
  • NO2: 2.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

9 PM
22 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.25 µg/m³
  • PM10: 5.9 µg/m³
  • O3: 0.020 ppm
  • NO2: 2.5 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

10 PM
23 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.41 µg/m³
  • PM10: 6.15 µg/m³
  • O3: 0.020 ppm
  • NO2: 2.4 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

11 PM
22 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.37 µg/m³
  • PM10: 6.05 µg/m³
  • O3: 0.019 ppm
  • NO2: 2.3 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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