Hourly Weather | Today Thursday, December 4, 2025
Sioux Falls, South Dakota
5 AM
Cloudy Night
-2°
Feels Like -6°
0
Humidity: 72%
Wind: 5 mph
UV Index: 0
6 AM
Cloudy Night
Feels Like -6°
0
Humidity: 66%
Wind: 6 mph
UV Index: 0
7 AM
Cloudy Night
-2°
Feels Like -8°
0
Humidity: 81%
Wind: 6 mph
UV Index: 0
8 AM
Cloudy Weather
Feels Like -8°
0
Humidity: 81%
Wind: 7 mph
UV Index: 0
9 AM
Cloudy Weather
Feels Like -6°
0
Humidity: 76%
Wind: 9 mph
UV Index: 1
10 AM
Cloudy Weather
Feels Like -2°
0
Humidity: 73%
Wind: 12 mph
UV Index: 2
11 AM
Cloudy Weather
12°
Feels Like
0
Humidity: 71%
Wind: 14 mph
UV Index: 2
12 PM
Cloudy Weather
16°
Feels Like
0
Humidity: 70%
Wind: 16 mph
UV Index: 2
1 PM
Cloudy Weather
18°
Feels Like
0
Humidity: 68%
Wind: 17 mph
UV Index: 2
2 PM
Cloudy Weather
19°
Feels Like
0
Humidity: 69%
Wind: 17 mph
UV Index: 2
3 PM
Cloudy Weather
21°
Feels Like
0
Humidity: 70%
Wind: 17 mph
UV Index: 1
4 PM
Cloudy Weather
23°
Feels Like
0
Humidity: 72%
Wind: 16 mph
UV Index: 0
5 PM
Cloudy Night
21°
Feels Like
0
Humidity: 80%
Wind: 15 mph
UV Index: 0
6 PM
Cloudy Night
21°
Feels Like
0
Humidity: 84%
Wind: 14 mph
UV Index: 0
7 PM
Cloudy Weather
23°
Feels Like
0
Humidity: 85%
Wind: 13 mph
UV Index: 0
8 PM
Cloudy Weather
21°
Feels Like
0
Humidity: 92%
Wind: 13 mph
UV Index: 0
9 PM
Cloudy Weather
25°
Feels Like 12°
0
Humidity: 85%
Wind: 12 mph
UV Index: 0
10 PM
Cloudy Weather
23°
Feels Like 12°
0
Humidity: 88%
Wind: 9 mph
UV Index: 0
11 PM
Cloudy Weather
23°
Feels Like 16°
0
Humidity: 85%
Wind: 8 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.28 µg/m³
  • PM10: 3.44 µg/m³
  • O3: 0.028 ppm
  • NO2: 3.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.34 µg/m³
  • PM10: 3.49 µg/m³
  • O3: 0.027 ppm
  • NO2: 3.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

7 AM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.63 µg/m³
  • PM10: 2.74 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

8 AM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.46 µg/m³
  • PM10: 2.57 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

9 AM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.36 µg/m³
  • PM10: 2.48 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

10 AM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.82 µg/m³
  • PM10: 1.91 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

11 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 1.76 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.8 µg/m³
  • PM10: 1.88 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.14 µg/m³
  • PM10: 2.24 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.67 µg/m³
  • PM10: 2.77 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.18 µg/m³
  • PM10: 3.29 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.6 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
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.5 µg/m³
  • PM10: 3.62 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.46 µg/m³
  • PM10: 3.58 µg/m³
  • O3: 0.035 ppm
  • NO2: 2.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.24 µg/m³
  • PM10: 3.36 µg/m³
  • O3: 0.035 ppm
  • NO2: 2.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.02 µg/m³
  • PM10: 3.16 µg/m³
  • O3: 0.034 ppm
  • NO2: 2.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.74 µg/m³
  • PM10: 2.9 µg/m³
  • O3: 0.034 ppm
  • NO2: 2.2 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
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.4 µg/m³
  • PM10: 2.59 µg/m³
  • O3: 0.033 ppm
  • NO2: 2 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
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.08 µg/m³
  • PM10: 2.31 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.8 µg/m³
  • PM10: 2.06 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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