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Pennsylvania

United States

2026-06-21 12:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
67.3
PM2.5
μg/m³
4.8
PM10
μg/m³
14.1
NO2
μg/m³
15.3
CO
μg/m³
250
SO2
μg/m³
2
Weather
  • ℃
  • ℉
17℃
90%
8 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 43
Allegheny County
AQI 52
Armstrong County
AQI 24
Beaver County
AQI 37
Bedford County
AQI 22
Berks County
AQI 36
Blair County
AQI 30
Bradford County
AQI 32
Bucks County
AQI 38
Butler County
AQI 34
Cambria County
AQI 25
Cameron County
AQI 15
Carbon County
AQI 24
Centre County
AQI 22
Chester County
AQI 40
Clarion County
AQI 20
Clearfield County
AQI 25
Clinton County
AQI 20
Columbia County
AQI 23
Crawford County
AQI 31
Cumberland County
AQI 23
Dauphin County
AQI 31
Delaware County
AQI 38
Elk County
AQI 16
Erie County
AQI 28
Fayette County
AQI 35
Forest County
AQI 15
Franklin County
AQI 43
Fulton County
AQI 32
Greene County
AQI 30
Huntingdon County
AQI 23
Indiana County
AQI 31
Jefferson County
AQI 21
Juniata County
AQI 24
Lackawanna County
AQI 35
Lancaster County
AQI 36
Lawrence County
AQI 41
Lebanon County
AQI 33
Lehigh County
AQI 38
Luzerne County
AQI 32
Lycoming County
AQI 26
McKean County
AQI 14
Mercer County
AQI 40
Mifflin County
AQI 22
Monroe County
AQI 31
Montgomery County
AQI 38
Montour County
AQI 21
Northampton County
AQI 38
Northumberland County
AQI 24
Perry County
AQI 24
Philadelphia County
AQI 38
Pike County
AQI 21
Potter County
AQI 11
Schuylkill County
AQI 26
Snyder County
AQI 23
Somerset County
AQI 17
Sullivan County
AQI 25
Susquehanna County
AQI 23
Tioga County
AQI 36
Union County
AQI 21
Venango County
AQI 27
Warren County
AQI 19
Washington County
AQI 32
Wayne County
AQI 31
Westmoreland County
AQI 35
Wyoming County
AQI 19
York County
AQI 50
Data Sources
http://www.airnow.gov/

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