Hourly Weather | Today Thursday, February 26, 2026
St. Paul, Minnesota
4 AM
Cloudy Night
19°
Feels Like 14°
0
Frost Risk: 99%
Humidity: 72%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
21°
Feels Like 16°
0
Frost Risk: 96%
Humidity: 72%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Weather
23°
Feels Like 18°
0
Frost Risk: 79%
Humidity: 73%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
25°
Feels Like 19°
0
Frost Risk: 42%
Humidity: 72%
UV Index: 0
Wind: 7 mph
8 AM
Cloudy Weather
27°
Feels Like 19°
0
Humidity: 76%
UV Index: 0
Wind: 7 mph
9 AM
Cloudy Weather
28°
Feels Like 25°
0
Humidity: 71%
UV Index: 1
Wind: 8 mph
10 AM
Cloudy Weather
34°
Feels Like 30°
0
Humidity: 67%
UV Index: 2
Wind: 8 mph
11 AM
Cloudy Weather
36°
Feels Like 34°
0
Humidity: 64%
UV Index: 2
Wind: 8 mph
12 PM
Cloudy Weather
37°
Feels Like 37°
0
Humidity: 63%
UV Index: 3
Wind: 8 mph
1 PM
Cloudy Weather
41°
Feels Like 39°
0
Humidity: 61%
UV Index: 2
Wind: 9 mph
2 PM
Cloudy Weather
43°
Feels Like 39°
0
Humidity: 60%
UV Index: 2
Wind: 9 mph
3 PM
Cloudy Weather
43°
Feels Like 37°
0
Humidity: 62%
UV Index: 2
Wind: 9 mph
4 PM
Cloudy Weather
43°
Feels Like 39°
0
Humidity: 60%
UV Index: 1
Wind: 8 mph
5 PM
Cloudy Weather
39°
Feels Like 36°
0
Humidity: 65%
UV Index: 0
Wind: 7 mph
6 PM
Cloudy Night
37°
Feels Like 36°
0
Humidity: 69%
UV Index: 0
Wind: 6 mph
7 PM
Night
37°
Feels Like 36°
0
Humidity: 71%
UV Index: 0
Wind: 5 mph
8 PM
Night
36°
Feels Like 34°
0
Humidity: 72%
UV Index: 0
Wind: 5 mph
9 PM
Night
34°
Feels Like 34°
0
Humidity: 73%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
34°
Feels Like 30°
0
Humidity: 74%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
32°
Feels Like 30°
0
Humidity: 73%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.32 µg/m³
  • PM10: 5.83 µg/m³
  • O3: 0.038 ppm
  • NO2: 2 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

5 AM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.63 µg/m³
  • PM10: 7.19 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

6 AM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.76 µg/m³
  • PM10: 8.38 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

7 AM
35 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.49 µg/m³
  • PM10: 9.15 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

8 AM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.88 µg/m³
  • PM10: 9.58 µg/m³
  • O3: 0.035 ppm
  • NO2: 2.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

9 AM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.01 µg/m³
  • PM10: 9.76 µg/m³
  • O3: 0.034 ppm
  • NO2: 3.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

10 AM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.08 µg/m³
  • PM10: 9.88 µg/m³
  • O3: 0.034 ppm
  • NO2: 2.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.92 µg/m³
  • PM10: 9.75 µg/m³
  • O3: 0.033 ppm
  • NO2: 2.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.56 µg/m³
  • PM10: 9.44 µg/m³
  • O3: 0.033 ppm
  • NO2: 2.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

1 PM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.75 µg/m³
  • PM10: 6.91 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.72 µg/m³
  • PM10: 4.98 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.14 µg/m³
  • PM10: 3.4 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.78 µg/m³
  • PM10: 3.06 µg/m³
  • O3: 0.053 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.99 µg/m³
  • PM10: 3.36 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.1 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.22 µg/m³
  • PM10: 3.74 µg/m³
  • O3: 0.044 ppm
  • NO2: 3.5 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.46 µg/m³
  • PM10: 4.1 µg/m³
  • O3: 0.041 ppm
  • NO2: 4 ppb
  • SO2: 0 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

8 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.67 µg/m³
  • PM10: 4.35 µg/m³
  • O3: 0.039 ppm
  • NO2: 3.9 ppb
  • SO2: 0 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.76 µg/m³
  • PM10: 4.42 µg/m³
  • O3: 0.040 ppm
  • NO2: 3.2 ppb
  • SO2: 0 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

10 PM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.65 µg/m³
  • PM10: 4.25 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.2 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

11 PM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.66 µg/m³
  • PM10: 4.21 µg/m³
  • O3: 0.043 ppm
  • NO2: 2 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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