Hourly Weather | Today Wednesday, October 22, 2025
Sioux Falls, South Dakota
6 AM
Cloudy Night
32°
Feels Like 32°
0
Humidity: 89%
Wind: 4 mph
UV Index: 0
7 AM
Cloudy Night
34°
Feels Like 34°
0
Humidity: 84%
Wind: 4 mph
UV Index: 0
8 AM
Sunny Weather
34°
Feels Like 32°
0
Humidity: 85%
Wind: 5 mph
UV Index: 2
9 AM
Sunny Weather
37°
Feels Like 37°
0
Humidity: 79%
Wind: 5 mph
UV Index: 10
10 AM
Sunny Weather
43°
Feels Like 45°
0
Humidity: 68%
Wind: 6 mph
UV Index: 18
11 AM
Sunny Weather
46°
Feels Like 48°
0
Humidity: 57%
Wind: 7 mph
UV Index: 24
12 PM
Sunny Weather
52°
Feels Like 52°
0
Humidity: 49%
Wind: 8 mph
UV Index: 29
1 PM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 44%
Wind: 10 mph
UV Index: 31
2 PM
Cloudy Weather
55°
Feels Like 54°
0
Humidity: 43%
Wind: 12 mph
UV Index: 29
3 PM
Cloudy Weather
55°
Feels Like 54°
0
Humidity: 41%
Wind: 13 mph
UV Index: 24
4 PM
Cloudy Weather
57°
Feels Like 54°
0
Humidity: 40%
Wind: 13 mph
UV Index: 18
5 PM
Sunny Weather
55°
Feels Like 52°
0
Humidity: 41%
Wind: 12 mph
UV Index: 10
6 PM
Sunny Weather
54°
Feels Like 48°
0
Humidity: 46%
Wind: 9 mph
UV Index: 2
7 PM
Night
50°
Feels Like 46°
0
Humidity: 55%
Wind: 8 mph
UV Index: 0
8 PM
Night
46°
Feels Like 45°
0
Humidity: 62%
Wind: 6 mph
UV Index: 0
9 PM
Night
45°
Feels Like 43°
0
Humidity: 69%
Wind: 5 mph
UV Index: 0
10 PM
Night
41°
Feels Like 39°
0
Humidity: 75%
Wind: 5 mph
UV Index: 0
11 PM
Night
39°
Feels Like 39°
0
Humidity: 80%
Wind: 5 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.25 µg/m³
  • PM10: 1.64 µg/m³
  • O3: 0.018 ppm
  • NO2: 2.2 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.43 µg/m³
  • PM10: 1.89 µg/m³
  • O3: 0.016 ppm
  • NO2: 2.8 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.59 µg/m³
  • PM10: 2.12 µg/m³
  • O3: 0.013 ppm
  • NO2: 3.8 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 2.26 µg/m³
  • O3: 0.012 ppm
  • NO2: 4.2 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 2.33 µg/m³
  • O3: 0.014 ppm
  • NO2: 3.1 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.66 µg/m³
  • PM10: 2.42 µg/m³
  • O3: 0.022 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.72 µg/m³
  • PM10: 2.57 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.4 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.89 µg/m³
  • PM10: 2.81 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.3 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.47 µg/m³
  • PM10: 2.85 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.58 µg/m³
  • PM10: 3.38 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.62 µg/m³
  • PM10: 3.52 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.62 µg/m³
  • PM10: 3.41 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.64 µg/m³
  • PM10: 3.25 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.63 µg/m³
  • PM10: 3.06 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.61 µg/m³
  • PM10: 2.85 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.61 µg/m³
  • PM10: 2.68 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 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: 1.64 µg/m³
  • PM10: 2.53 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.69 µg/m³
  • PM10: 2.43 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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