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Hourly Weather | Today | Monday, August 11, 2025
Air Quality Alert (Issued when air pollution levels are unhealthy, especially for sensitive groups.)
St. Paul, Minnesota
5 AM
Cloudy NightCloudy night, overcast skies at night with no rain.
64°
Feels Like 64°
0
Humidity: 87%
Wind: 5 mph
UV Index: 0
6 AM
Cloudy NightCloudy night, overcast skies at night with no rain.
63°
Feels Like 64°
0
Humidity: 92%
Wind: 5 mph
UV Index: 0
7 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
64°
Feels Like 66°
0
Humidity: 90%
Wind: 5 mph
UV Index: 1
8 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
64°
Feels Like 68°
0
Humidity: 88%
Wind: 5 mph
UV Index: 2
9 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
68°
Feels Like 72°
0
Humidity: 78%
Wind: 5 mph
UV Index: 3
10 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
72°
Feels Like 77°
0
Humidity: 70%
Wind: 6 mph
UV Index: 4
11 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
75°
Feels Like 81°
0
Humidity: 63%
Wind: 6 mph
UV Index: 5
12 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
77°
Feels Like 84°
0
Humidity: 57%
Wind: 7 mph
UV Index: 7
1 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 86°
0
Humidity: 52%
Wind: 7 mph
UV Index: 8
2 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
81°
Feels Like 86°
0
Humidity: 50%
Wind: 8 mph
UV Index: 7
3 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
81°
Feels Like 84°
0
Humidity: 48%
Wind: 8 mph
UV Index: 5
4 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
82°
Feels Like 84°
0
Humidity: 45%
Wind: 8 mph
UV Index: 4
5 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
82°
Feels Like 82°
0
Humidity: 48%
Wind: 8 mph
UV Index: 3
6 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
81°
Feels Like 81°
0
Humidity: 51%
Wind: 8 mph
UV Index: 2
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 79°
0
Humidity: 55%
Wind: 8 mph
UV Index: 1
8 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
77°
Feels Like 75°
0
Humidity: 60%
Wind: 8 mph
UV Index: 0
9 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
75°
Feels Like 73°
0
Humidity: 69%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
72°
Feels Like 72°
0
Humidity: 77%
Wind: 7 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
72°
Feels Like 70°
0
Humidity: 80%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

5 AM
60 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 19.01 µg/m³
  • PM10: 22.92 µg/m³
  • O₃: 21.86 ppb
  • NO₂: 9.28 ppb
  • SO₂: 1.03 ppb
  • CO: 389.50 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

6 AM
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 16.81 µg/m³
  • PM10: 19.49 µg/m³
  • O₃: 20.59 ppb
  • NO₂: 8.86 ppb
  • SO₂: 0.94 ppb
  • CO: 355.39 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

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

Pollutant Concentrations:

  • PM2.5: 16.39 µg/m³
  • PM10: 18.46 µg/m³
  • O₃: 19.20 ppb
  • NO₂: 8.85 ppb
  • SO₂: 0.91 ppb
  • CO: 339.99 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

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

Pollutant Concentrations:

  • PM2.5: 16.67 µg/m³
  • PM10: 18.37 µg/m³
  • O₃: 21.90 ppb
  • NO₂: 8.08 ppb
  • SO₂: 0.95 ppb
  • CO: 340.51 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

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

Pollutant Concentrations:

  • PM2.5: 18.53 µg/m³
  • PM10: 19.99 µg/m³
  • O₃: 24.92 ppb
  • NO₂: 7.31 ppb
  • SO₂: 1.01 ppb
  • CO: 345.48 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

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

Pollutant Concentrations:

  • PM2.5: 23.42 µg/m³
  • PM10: 23.71 µg/m³
  • O₃: 29.04 ppb
  • NO₂: 5.76 ppb
  • SO₂: 1.02 ppb
  • CO: 328.74 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

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

Pollutant Concentrations:

  • PM2.5: 35.22 µg/m³
  • PM10: 35.58 µg/m³
  • O₃: 40.52 ppb
  • NO₂: 4.40 ppb
  • SO₂: 1.08 ppb
  • CO: 346.82 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

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

Pollutant Concentrations:

  • PM2.5: 33.90 µg/m³
  • PM10: 34.32 µg/m³
  • O₃: 52.00 ppb
  • NO₂: 3.04 ppb
  • SO₂: 1.13 ppb
  • CO: 364.90 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

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

Pollutant Concentrations:

  • PM2.5: 32.78 µg/m³
  • PM10: 33.23 µg/m³
  • O₃: 63.48 ppb
  • NO₂: 1.68 ppb
  • SO₂: 1.19 ppb
  • CO: 382.99 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

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

Pollutant Concentrations:

  • PM2.5: 31.75 µg/m³
  • PM10: 32.20 µg/m³
  • O₃: 64.56 ppb
  • NO₂: 1.65 ppb
  • SO₂: 1.13 ppb
  • CO: 390.43 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

3 PM
71 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 31.36 µg/m³
  • PM10: 31.84 µg/m³
  • O₃: 65.64 ppb
  • NO₂: 1.63 ppb
  • SO₂: 1.08 ppb
  • CO: 397.87 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

4 PM
73 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 30.42 µg/m³
  • PM10: 30.90 µg/m³
  • O₃: 66.72 ppb
  • NO₂: 1.60 ppb
  • SO₂: 1.02 ppb
  • CO: 405.31 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

5 PM
74 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 30.61 µg/m³
  • PM10: 31.10 µg/m³
  • O₃: 61.07 ppb
  • NO₂: 3.31 ppb
  • SO₂: 0.99 ppb
  • CO: 420.27 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

6 PM
77 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 44.89 µg/m³
  • PM10: 45.35 µg/m³
  • O₃: 55.42 ppb
  • NO₂: 5.02 ppb
  • SO₂: 0.96 ppb
  • CO: 435.22 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

7 PM
79 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 42.03 µg/m³
  • PM10: 42.39 µg/m³
  • O₃: 49.77 ppb
  • NO₂: 6.73 ppb
  • SO₂: 0.93 ppb
  • CO: 450.17 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

8 PM
81 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 38.64 µg/m³
  • PM10: 38.97 µg/m³
  • O₃: 45.46 ppb
  • NO₂: 7.05 ppb
  • SO₂: 0.89 ppb
  • CO: 444.61 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

9 PM
83 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 33.82 µg/m³
  • PM10: 34.05 µg/m³
  • O₃: 41.16 ppb
  • NO₂: 7.37 ppb
  • SO₂: 0.86 ppb
  • CO: 439.06 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

10 PM
84 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 29.19 µg/m³
  • PM10: 29.42 µg/m³
  • O₃: 36.86 ppb
  • NO₂: 7.68 ppb
  • SO₂: 0.82 ppb
  • CO: 433.50 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

11 PM
85 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 26.27 µg/m³
  • PM10: 26.53 µg/m³
  • O₃: 37.62 ppb
  • NO₂: 6.70 ppb
  • SO₂: 0.78 ppb
  • CO: 432.34 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.