Hourly Weather | Today | Thursday, September 4, 2025
St. Paul, Minnesota
7 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
46°
Feels Like 45°
0
Humidity: 77%
Wind: 7 mph
UV Index: 4
8 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
46°
Feels Like 39°
1
Humidity: 84%
Wind: 13 mph
UV Index: 13
9 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
48°
Feels Like 45°
1
Humidity: 75%
Wind: 13 mph
UV Index: 22
10 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
52°
Feels Like 48°
2
Humidity: 68%
Wind: 14 mph
UV Index: 32
11 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
55°
Feels Like 54°
4
Humidity: 62%
Wind: 15 mph
UV Index: 42
12 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
57°
Feels Like 54°
4
Humidity: 57%
Wind: 15 mph
UV Index: 35
1 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
59°
Feels Like 55°
5
Humidity: 52%
Wind: 16 mph
UV Index: 34
2 PM
Cloudy WeatherCloudy weather, overcast skies with no rain.
61°
Feels Like 55°
7
Humidity: 50%
Wind: 17 mph
UV Index: 16
3 PM
Cloudy WeatherCloudy weather, overcast skies with no rain.
59°
Feels Like 55°
7
Humidity: 54%
Wind: 15 mph
UV Index: 13
4 PM
Cloudy WeatherCloudy weather, overcast skies with no rain.
59°
Feels Like 54°
7
Humidity: 56%
Wind: 15 mph
UV Index: 10
5 PM
Cloudy WeatherCloudy weather, overcast skies with no rain.
57°
Feels Like 52°
7
Humidity: 61%
Wind: 15 mph
UV Index: 7
6 PM
Cloudy WeatherCloudy weather, overcast skies with no rain.
55°
Feels Like 50°
7
Humidity: 70%
Wind: 15 mph
UV Index: 4
7 PM
Cloudy WeatherCloudy weather, overcast skies with no rain.
55°
Feels Like 48°
11
Humidity: 79%
Wind: 15 mph
UV Index: 1
8 PM
Rainy WeatherRainy weather, precipitation in the form of water droplets falling from the sky.
54°
Feels Like 46°
80
Humidity: 85%
Wind: 10 mph
UV Index: 0
9 PM
Rainy WeatherRainy weather, precipitation in the form of water droplets falling from the sky.
54°
Feels Like 46°
80
Humidity: 90%
Wind: 10 mph
UV Index: 0
10 PM
Rainy WeatherRainy weather, precipitation in the form of water droplets falling from the sky.
54°
Feels Like 46°
80
Humidity: 91%
Wind: 10 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
54°
Feels Like 46°
49
Humidity: 91%
Wind: 13 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

7 AM
54 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 5.84 µg/m³
  • PM10: 5.87 µg/m³
  • O₃: 14.69 ppb
  • NO₂: 6.27 ppb
  • SO₂: 0.69 ppb
  • CO: 220.93 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 AM
54 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.07 µg/m³
  • PM10: 6.10 µg/m³
  • O₃: 18.36 ppb
  • NO₂: 5.05 ppb
  • SO₂: 0.69 ppb
  • CO: 209.04 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 AM
54 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 5.52 µg/m³
  • PM10: 5.55 µg/m³
  • O₃: 22.03 ppb
  • NO₂: 3.82 ppb
  • SO₂: 0.68 ppb
  • CO: 197.15 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 AM
54 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.02 µg/m³
  • PM10: 4.08 µg/m³
  • O₃: 25.70 ppb
  • NO₂: 2.60 ppb
  • SO₂: 0.68 ppb
  • CO: 185.26 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 AM
53 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 2.73 µg/m³
  • PM10: 2.78 µg/m³
  • O₃: 28.90 ppb
  • NO₂: 2.09 ppb
  • SO₂: 0.58 ppb
  • CO: 178.46 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

12 PM
52 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 2.56 µg/m³
  • PM10: 2.61 µg/m³
  • O₃: 32.09 ppb
  • NO₂: 1.58 ppb
  • SO₂: 0.47 ppb
  • CO: 171.66 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

1 PM
52 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 2.71 µg/m³
  • PM10: 2.76 µg/m³
  • O₃: 35.29 ppb
  • NO₂: 1.08 ppb
  • SO₂: 0.36 ppb
  • CO: 164.85 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

2 PM
51 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 2.97 µg/m³
  • PM10: 3.03 µg/m³
  • O₃: 35.85 ppb
  • NO₂: 1.36 ppb
  • SO₂: 0.34 ppb
  • CO: 168.43 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

3 PM
47 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 3.05 µg/m³
  • PM10: 3.13 µg/m³
  • O₃: 36.40 ppb
  • NO₂: 1.65 ppb
  • SO₂: 0.32 ppb
  • CO: 172.01 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

4 PM
42 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 3.62 µg/m³
  • PM10: 3.72 µg/m³
  • O₃: 36.96 ppb
  • NO₂: 1.93 ppb
  • SO₂: 0.30 ppb
  • CO: 175.59 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

5 PM
38 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.36 µg/m³
  • PM10: 4.46 µg/m³
  • O₃: 34.88 ppb
  • NO₂: 3.19 ppb
  • SO₂: 0.33 ppb
  • CO: 184.95 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

6 PM
35 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.90 µg/m³
  • PM10: 4.97 µg/m³
  • O₃: 32.81 ppb
  • NO₂: 4.46 ppb
  • SO₂: 0.37 ppb
  • CO: 194.30 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors