Site

State

PM AQI* (ug/m3)

Steubenville

OH

32

Beaver Falls

PA

20

Charleroi

PA

19

State College

PA

19

SEAFORD

DE

19

G.T.Craig

OH

17

Lawrenceville

PA

17

Canton

OH

16

Carlisle

PA

15

Lancaster DW

PA

13