Hourly Weather | Today Monday, September 8, 2025
Sioux Falls, South Dakota
10 AM
Cloudy Weather
68°
Feels Like 68°
24
Humidity: 67%
Wind: 14 mph
UV Index: 32
11 AM
Cloudy Weather
72°
Feels Like 72°
43
Humidity: 63%
Wind: 15 mph
UV Index: 42
12 PM
Cloudy Weather
73°
Feels Like 75°
47
Humidity: 61%
Wind: 16 mph
UV Index: 50
1 PM
Sunny with a Chance of Thunderstorms
75°
Feels Like 72°
51
Humidity: 61%
Wind: 16 mph
UV Index: 24
2 PM
Cloudy Weather
79°
Feels Like 79°
43
Humidity: 57%
Wind: 17 mph
UV Index: 44
3 PM
Sunny with a Chance of Thunderstorms
77°
Feels Like 72°
51
Humidity: 58%
Wind: 17 mph
UV Index: 19
4 PM
Cloudy Weather
79°
Feels Like 79°
47
Humidity: 54%
Wind: 17 mph
UV Index: 29
5 PM
Cloudy Weather
79°
Feels Like 75°
34
Humidity: 56%
Wind: 16 mph
UV Index: 20
6 PM
Cloudy Weather
77°
Feels Like 73°
34
Humidity: 58%
Wind: 15 mph
UV Index: 11
7 PM
Cloudy Weather
75°
Feels Like 72°
34
Humidity: 64%
Wind: 15 mph
UV Index: 3
8 PM
Cloudy Night
73°
Feels Like 70°
34
Humidity: 67%
Wind: 14 mph
UV Index: 0
9 PM
Cloudy Night
72°
Feels Like 68°
34
Humidity: 69%
Wind: 14 mph
UV Index: 0
10 PM
Cloudy Night
70°
Feels Like 66°
37
Humidity: 70%
Wind: 14 mph
UV Index: 0
11 PM
Cloudy Night
70°
Feels Like 66°
47
Humidity: 71%
Wind: 13 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

10 AM
31 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 5.19 µg/m³
  • PM10: 5.28 µg/m³
  • O₃: 37.29 ppb
  • NO₂: 2.20 ppb
  • SO₂: 0.42 ppb
  • CO: 198.41 ppb

Health Recommendations:

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

11 AM
32 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.45 µg/m³
  • PM10: 6.57 µg/m³
  • O₃: 42.23 ppb
  • NO₂: 1.74 ppb
  • SO₂: 0.37 ppb
  • CO: 196.15 ppb

Health Recommendations:

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

12 PM
34 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.40 µg/m³
  • PM10: 7.56 µg/m³
  • O₃: 47.16 ppb
  • NO₂: 1.28 ppb
  • SO₂: 0.31 ppb
  • CO: 193.90 ppb

Health Recommendations:

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

1 PM
36 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.98 µg/m³
  • PM10: 8.17 µg/m³
  • O₃: 52.10 ppb
  • NO₂: 0.82 ppb
  • SO₂: 0.26 ppb
  • CO: 191.64 ppb

Health Recommendations:

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

2 PM
38 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 8.39 µg/m³
  • PM10: 8.62 µg/m³
  • O₃: 53.07 ppb
  • NO₂: 0.84 ppb
  • SO₂: 0.25 ppb
  • CO: 191.49 ppb

Health Recommendations:

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

3 PM
41 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 8.62 µg/m³
  • PM10: 8.89 µg/m³
  • O₃: 54.04 ppb
  • NO₂: 0.86 ppb
  • SO₂: 0.23 ppb
  • CO: 191.33 ppb

Health Recommendations:

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

4 PM
43 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 8.48 µg/m³
  • PM10: 8.73 µg/m³
  • O₃: 55.02 ppb
  • NO₂: 0.88 ppb
  • SO₂: 0.21 ppb
  • CO: 191.18 ppb

Health Recommendations:

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

5 PM
45 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 8.23 µg/m³
  • PM10: 8.47 µg/m³
  • O₃: 53.72 ppb
  • NO₂: 1.16 ppb
  • SO₂: 0.20 ppb
  • CO: 191.34 ppb

Health Recommendations:

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

6 PM
47 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 8.00 µg/m³
  • PM10: 8.24 µg/m³
  • O₃: 52.43 ppb
  • NO₂: 1.44 ppb
  • SO₂: 0.19 ppb
  • CO: 191.49 ppb

Health Recommendations:

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

7 PM
48 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.58 µg/m³
  • PM10: 7.75 µg/m³
  • O₃: 51.14 ppb
  • NO₂: 1.72 ppb
  • SO₂: 0.18 ppb
  • CO: 191.64 ppb

Health Recommendations:

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

8 PM
48 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.12 µg/m³
  • PM10: 7.25 µg/m³
  • O₃: 49.33 ppb
  • NO₂: 1.95 ppb
  • SO₂: 0.20 ppb
  • CO: 193.25 ppb

Health Recommendations:

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

9 PM
48 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.66 µg/m³
  • PM10: 6.75 µg/m³
  • O₃: 47.52 ppb
  • NO₂: 2.17 ppb
  • SO₂: 0.23 ppb
  • CO: 194.85 ppb

Health Recommendations:

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

10 PM
47 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.27 µg/m³
  • PM10: 6.33 µg/m³
  • O₃: 45.72 ppb
  • NO₂: 2.40 ppb
  • SO₂: 0.25 ppb
  • CO: 196.45 ppb

Health Recommendations:

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