Hourly Weather | Today › Sunday, October 4, 2026
Sioux Falls, South Dakota
5 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 34%
UV Index: 2
Wind: 8 mph
6 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 39%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Weather
63°
Feels Like 63°
0
Humidity: 45%
UV Index: 0
Wind: 5 mph
8 PM
Night
61°
Feels Like 59°
0
Humidity: 51%
UV Index: 0
Wind: 5 mph
9 PM
Night
55°
Feels Like 55°
0
Humidity: 59%
UV Index: 0
Wind: 4 mph
10 PM
Night
54°
Feels Like 54°
0
Humidity: 67%
UV Index: 0
Wind: 4 mph
11 PM
Night
48°
Feels Like 50°
0
Humidity: 76%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.6 µg/m³
  • PM10: 3.19 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.83 µg/m³
  • PM10: 3.43 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.99 µg/m³
  • PM10: 3.61 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.31 µg/m³
  • PM10: 3.97 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.93 µg/m³
  • PM10: 4.62 µg/m³
  • O3: 0.039 ppm
  • NO2: 3 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.62 µg/m³
  • PM10: 5.33 µg/m³
  • O3: 0.037 ppm
  • NO2: 3.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.92 µg/m³
  • PM10: 5.63 µg/m³
  • O3: 0.032 ppm
  • NO2: 3.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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