Site

State

PM AQI* (ug/m3)

Lancaster DW

PA

67

Liberty (SAHS)

PA

65

Carlisle

PA

49

Salmon PM2.5

ID

48

APPLETON AAL

WI

44

Reading Airport

PA

38

Lebanon

PA

38

Steubenville

OH

37

Allentown

PA

36

New Garden

PA

36