Site

State

PM AQI* (ug/m3)

State College

PA

23

Steubenville

OH

22

KILLENS

DE

21

SEAFORD

DE

21

Lawrenceville

PA

21

Chester

PA

21

Cincinnati Near Road

OH

20

Camden Spruce St

NJ

20

Lancaster DW

PA

19

MLK

DE

19