Hourly Weather | Today › Monday, October 12, 2026
Watertown, South Dakota
10 PM
Cloudy Weather
48°
Feels Like 39°
0
Humidity: 92%
UV Index: 0
Wind: 12 mph
11 PM
Cloudy Weather
48°
Feels Like 39°
0
Humidity: 92%
UV Index: 0
Wind: 12 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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