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Pennsylvania

United States

2026-09-22 17:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
45
PM2.5
μg/m³
2.7
PM10
μg/m³
10.6
NO2
μg/m³
20.7
CO
μg/m³
458.3
SO2
μg/m³
0.7
Weather
  • ℃
  • ℉
18℃
70%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 25
Allegheny County
AQI 20
Armstrong County
AQI 21
Beaver County
AQI 19
Bedford County
AQI 6
Berks County
AQI 21
Blair County
AQI 4
Bradford County
AQI 23
Bucks County
AQI 23
Butler County
AQI 5
Cambria County
AQI 23
Cameron County
AQI 19
Carbon County
AQI 19
Centre County
AQI 21
Chester County
AQI 23
Clarion County
AQI 8
Clearfield County
AQI 24
Clinton County
AQI 17
Columbia County
AQI 27
Crawford County
AQI 19
Cumberland County
AQI 18
Dauphin County
AQI 22
Delaware County
AQI 35
Elk County
AQI 19
Erie County
AQI 22
Fayette County
AQI 23
Forest County
AQI 18
Franklin County
AQI 26
Fulton County
AQI 22
Greene County
AQI 20
Huntingdon County
AQI 9
Indiana County
AQI 23
Jefferson County
AQI 15
Juniata County
AQI 23
Lackawanna County
AQI 23
Lancaster County
AQI 27
Lawrence County
AQI 9
Lebanon County
AQI 25
Lehigh County
AQI 20
Luzerne County
AQI 21
Lycoming County
AQI 26
McKean County
AQI 22
Mercer County
AQI 19
Mifflin County
AQI 18
Monroe County
AQI 23
Montgomery County
AQI 22
Montour County
AQI 26
Northampton County
AQI 22
Northumberland County
AQI 29
Perry County
AQI 19
Philadelphia County
AQI 30
Pike County
AQI 16
Potter County
AQI 23
Schuylkill County
AQI 22
Snyder County
AQI 29
Somerset County
AQI 18
Sullivan County
AQI 19
Susquehanna County
AQI 16
Tioga County
AQI 25
Union County
AQI 22
Venango County
AQI 18
Warren County
AQI 20
Washington County
AQI 19
Wayne County
AQI 20
Westmoreland County
AQI 21
Wyoming County
AQI 18
York County
AQI 32
Data Sources
http://www.airnow.gov/

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AQI 17
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South Williamsport
AQI 17
Williamsport
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Loganton
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