Now in USA

Air Quality / Watertown

Watertown

South Dakota — EPA AirNow monitoring station

Current AQI (PM2.5)
41
Good
8/30/2026, 4:00:00 PM

Recent Readings

TimePollutantAQICategoryType
8/30/2026, 4:00:00 PMPM2.541Goodobservation
8/30/2026, 4:00:00 PMOZONE21Goodobservation
8/30/2026, 4:00:00 PMPM1018Goodobservation
8/30/2026, 3:00:00 PMPM2.546Goodobservation
8/30/2026, 3:00:00 PMOZONE19Goodobservation
8/30/2026, 3:00:00 PMPM1015Goodobservation
8/30/2026, 2:00:00 PMPM2.547Goodobservation
8/30/2026, 2:00:00 PMOZONE19Goodobservation
8/30/2026, 2:00:00 PMPM1011Goodobservation
8/30/2026, 1:00:00 PMPM2.549Goodobservation
8/30/2026, 1:00:00 PMOZONE18Goodobservation
8/30/2026, 1:00:00 PMPM1010Goodobservation
8/30/2026, 12:00:00 PMPM1012Goodobservation
8/30/2026, 12:00:00 PMOZONE19Goodobservation
8/30/2026, 12:00:00 PMPM2.538Goodobservation
8/30/2026, 11:00:00 AMPM2.544Goodobservation
8/30/2026, 11:00:00 AMPM1014Goodobservation
8/30/2026, 11:00:00 AMOZONE16Goodobservation
8/30/2026, 10:00:00 AMOZONE19Goodobservation
8/30/2026, 10:00:00 AMPM2.551Moderateobservation
8/30/2026, 10:00:00 AMPM1017Goodobservation
8/30/2026, 9:00:00 AMPM1019Goodobservation
8/30/2026, 9:00:00 AMPM2.551Moderateobservation
8/30/2026, 9:00:00 AMOZONE20Goodobservation
8/30/2026, 8:00:00 AMPM2.550Goodobservation
8/30/2026, 8:00:00 AMOZONE26Goodobservation
8/30/2026, 8:00:00 AMPM1019Goodobservation
8/30/2026, 7:00:00 AMPM1020Goodobservation
8/30/2026, 7:00:00 AMPM2.544Goodobservation
8/30/2026, 7:00:00 AMOZONE27Goodobservation
8/30/2026, 6:00:00 AMPM2.546Goodobservation
8/30/2026, 6:00:00 AMOZONE31Goodobservation
8/30/2026, 6:00:00 AMPM1021Goodobservation
8/30/2026, 5:00:00 AMPM1023Goodobservation
8/30/2026, 5:00:00 AMOZONE31Goodobservation
8/30/2026, 5:00:00 AMPM2.546Goodobservation
8/30/2026, 4:00:00 AMOZONE31Goodobservation
8/30/2026, 4:00:00 AMPM1024Goodobservation
8/30/2026, 4:00:00 AMPM2.543Goodobservation
8/29/2026, 5:00:00 PMPM2.536Goodobservation
8/29/2026, 5:00:00 PMPM1021Goodobservation
8/29/2026, 5:00:00 PMOZONE37Goodobservation
8/28/2026, 5:00:00 PMOZONE38Goodobservation
8/28/2026, 5:00:00 PMPM1051Moderateobservation
8/28/2026, 5:00:00 PMPM2.557Moderateobservation

Nearby Stations

Brookings, SD41 mi awaySouthwestern Minnesota, MN77 mi awayAberdeen, SD77 mi awaySioux Falls, SD96 mi awayWest Central Minnesota, MN133 mi away

South Dakota overview →

Current AirNow data are preliminary and may be revised. Source: EPA AirNow and participating air quality agencies.