Watertown, South Dakota, USA Air Quality
Monitoring Station
· Brookings, United States
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
25
3am
33
28
31
6am
33
31
31
9am
31
30
30
12pm
31
30
30
3pm
30
30
—
6pm
—
—
—
9pm
—
—
—
12am
—
—
Station readings
25
33
28
CAMS model
adj +6
25
25
25
25
27
25
25
25
24
24
25
24
24
24
24
Air Quality Forecast (24h)
PM2.56.7 µg/m³
✓ WHO
Good
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T06:30 UTC.