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Air Quality / Williamsport

Williamsport

Pennsylvania — EPA AirNow monitoring station

Current AQI (OZONE)
Good
9/2/2026, 4:00:00 PM

Recent Readings

TimePollutantAQICategoryType
9/2/2026, 4:00:00 PMOZONEGoodforecast
9/2/2026, 4:00:00 PMPM2.5Moderateforecast
9/1/2026, 4:00:00 PMOZONE48Goodforecast
9/1/2026, 4:00:00 PMPM2.555Moderateforecast
8/31/2026, 4:00:00 PMPM2.555Moderateforecast
8/31/2026, 4:00:00 PMOZONE50Goodforecast
8/30/2026, 4:00:00 PMOZONE44Goodforecast
8/30/2026, 4:00:00 PMPM2.548Goodforecast
8/30/2026, 3:00:00 PMPM2.520Goodobservation
8/30/2026, 3:00:00 PMOZONE23Goodobservation
8/30/2026, 2:00:00 PMPM2.520Goodobservation
8/30/2026, 2:00:00 PMOZONE16Goodobservation
8/30/2026, 1:00:00 PMOZONE10Goodobservation
8/30/2026, 12:00:00 PMOZONE10Goodobservation
8/30/2026, 11:00:00 AMOZONE10Goodobservation
8/30/2026, 11:00:00 AMPM2.521Goodobservation
8/30/2026, 10:00:00 AMOZONE6Goodobservation
8/30/2026, 10:00:00 AMPM2.521Goodobservation
8/30/2026, 9:00:00 AMOZONE4Goodobservation
8/30/2026, 9:00:00 AMPM2.521Goodobservation
8/30/2026, 8:00:00 AMPM2.521Goodobservation
8/30/2026, 8:00:00 AMOZONE4Goodobservation
8/30/2026, 7:00:00 AMPM2.521Goodobservation
8/30/2026, 7:00:00 AMOZONE8Goodobservation
8/30/2026, 6:00:00 AMPM2.521Goodobservation
8/30/2026, 6:00:00 AMOZONE8Goodobservation
8/30/2026, 5:00:00 AMOZONE13Goodobservation
8/30/2026, 5:00:00 AMPM2.521Goodobservation
8/30/2026, 4:00:00 AMOZONE19Goodobservation
8/30/2026, 4:00:00 AMPM2.521Goodobservation
8/29/2026, 4:00:00 PMOZONE36Goodobservation
8/29/2026, 4:00:00 PMPM2.529Goodforecast
8/29/2026, 4:00:00 PMOZONE34Goodforecast
8/29/2026, 4:00:00 PMPM2.518Goodobservation

Nearby Stations

State College, PA54 mi awayScranton and Wilkes-Barre, PA66 mi awayLehigh Valley, PA85 mi awayAltoona, PA88 mi awaySusquehanna Valley, PA92 mi away

Pennsylvania overview →

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