Hourly Weather | Today Sunday, October 12, 2025
St. Paul, Minnesota
2 PM
Cloudy Weather
64°
Feels Like 63°
49
Humidity: 65%
Wind: 16 mph
UV Index: 12
3 PM
Cloudy Weather
66°
Feels Like 64°
47
Humidity: 63%
Wind: 16 mph
UV Index: 10
4 PM
Rainy Weather
66°
Feels Like 63°
51
Humidity: 64%
Wind: 16 mph
UV Index: 6
5 PM
Cloudy Weather
70°
Feels Like 64°
40
Humidity: 62%
Wind: 15 mph
UV Index: 4
6 PM
Cloudy Weather
66°
Feels Like 63°
34
Humidity: 67%
Wind: 15 mph
UV Index: 1
7 PM
Cloudy Weather
66°
Feels Like 63°
34
Humidity: 69%
Wind: 14 mph
UV Index: 0
8 PM
Cloudy Weather
64°
Feels Like 63°
34
Humidity: 72%
Wind: 16 mph
UV Index: 0
9 PM
Cloudy Weather
63°
Feels Like 57°
34
Humidity: 81%
Wind: 15 mph
UV Index: 0
10 PM
Cloudy Weather
61°
Feels Like 55°
40
Humidity: 87%
Wind: 15 mph
UV Index: 0
11 PM
Rainy Weather
61°
Feels Like 52°
67
Humidity: 89%
Wind: 14 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

2 PM
39 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.47 µg/m³
  • PM10: 9.87 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 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: 9.01 µg/m³
  • PM10: 9.36 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 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: 9.3 µg/m³
  • PM10: 9.69 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.15 µg/m³
  • PM10: 10.62 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

6 PM
46 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11 µg/m³
  • PM10: 11.48 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

7 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.79 µg/m³
  • PM10: 12.25 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

8 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.33 µg/m³
  • PM10: 12.75 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

9 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.52 µg/m³
  • PM10: 12.91 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

10 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.33 µg/m³
  • PM10: 12.68 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.68 µg/m³
  • PM10: 11.97 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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