Site

State

PM AQI* (ug/m3)

Lancaster DW

PA

10

Chelsea HP

MA

10

Camden Spruce St

NJ

10

TRINITY

MI

9

Charleroi

PA

9

MILITARY PARK

MI

8

HOUGHTON LAKE

MI

8

Batavia

OH

8

Steubenville

OH

8

Canton

OH

8