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Weather in Watertown, South Dakota

06:48 AM
Now
Cloudy Night
59° F
Feels Like 54°
Precipitation 43 %
Wind 15 mph
Humidity 70 %
Today
Rainy Weather
Day 73°
Night 54°
Precipitation 72 %
Wind 21 mph
UV Index (0 - 11+) 1

Watertown Weather Forecast Updated

6 minutes ago
Last updated on

Air Quality in Watertown

NOW
47 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 8.99 µg/m³
PM10 9.46 µg/m³
O3 0.051 ppm
NO2 0.6 ppb
SO2 0.4 ppb
CO 0.13 ppm
NH3 2.44 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

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

Show raw pollutant concentrations (µg/m³)
PM2.5 – 8.99 µg/m³
PM10 – 9.46 µg/m³
O3 – 100.03 µg/m³
NO2 – 1.1 µg/m³
SO2 – 0.93 µg/m³
CO – 144.83 µg/m³
NH3 – 2.44 µg/m³
NO – 0 µg/m³