Hourly Weather | Today Monday, September 21, 2026
Aberdeen, South Dakota
2 PM
Cloudy Weather
61°
Feels Like 63°
0
Humidity: 69%
UV Index: 2
Wind: 8 mph
3 PM
Cloudy Weather
61°
Feels Like 61°
0
Humidity: 69%
UV Index: 2
Wind: 8 mph
4 PM
Cloudy Weather
61°
Feels Like 61°
0
Humidity: 69%
UV Index: 1
Wind: 8 mph
5 PM
Cloudy Weather
61°
Feels Like 61°
0
Humidity: 69%
UV Index: 1
Wind: 8 mph
6 PM
Cloudy Weather
59°
Feels Like 57°
0
Humidity: 71%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Weather
57°
Feels Like 55°
0
Humidity: 75%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
55°
Feels Like 52°
0
Humidity: 81%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
52°
Feels Like 50°
0
Humidity: 86%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
50°
Feels Like 46°
0
Humidity: 93%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 95%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.71 µg/m³
  • PM10: 0.71 µg/m³
  • O3: 0.021 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.77 µg/m³
  • PM10: 0.78 µg/m³
  • O3: 0.022 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.83 µg/m³
  • PM10: 0.84 µg/m³
  • O3: 0.022 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.85 µg/m³
  • PM10: 0.86 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.86 µg/m³
  • PM10: 0.88 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.87 µg/m³
  • PM10: 0.9 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.9 µg/m³
  • PM10: 0.94 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.95 µg/m³
  • PM10: 1.01 µg/m³
  • O3: 0.023 ppm
  • NO2: 1 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.99 µg/m³
  • PM10: 1.07 µg/m³
  • O3: 0.022 ppm
  • NO2: 1.1 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.01 µg/m³
  • PM10: 1.09 µg/m³
  • O3: 0.021 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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