Today | Weather | Sunday, November 1, 2026

Weather in Brookings, South Dakota

10:33 PM
Now
Rainy Weather
57° F
Feels Like 48°
Precipitation 68 %
Wind 16 mph
Humidity 89 %
Today
Cloudy Weather
Day 59°
Night 57°
Precipitation 25 %
Wind 14 mph
UV Index (0 - 11+) 1

Brookings Weather Forecast Updated

Air Quality in Brookings

NOW
34 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.9 µg/m³
PM10 5.14 µg/m³
O3 0.037 ppm
NO2 1.4 ppb
SO2 0.4 ppb
CO 0.15 ppm
NH3 0.22 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 – 4.9 µg/m³
PM10 – 5.14 µg/m³
O3 – 71.75 µg/m³
NO2 – 2.6 µg/m³
SO2 – 0.93 µg/m³
CO – 174.39 µg/m³
NH3 – 0.22 µg/m³
NO – 0 µg/m³