Site

State

PM AQI* (ug/m3)

Lancaster DW

PA

26

Chester

PA

18

Steubenville

OH

18

Camden Spruce St

NJ

18

State College

PA

18

Rochester

MN

17

Lawrenceville

PA

17

Carlisle

PA

17

BLAIR STREET

MO

17

Waterloo, Water Tower

IA

17