Site

State

PM AQI* (ug/m3)

Lancaster DW

PA

10

Batavia

OH

9

Morrisania

NY

9

Worcester

MA

8

Brockton

MA

8

Rockville

MD

8

Acadia NP - McFarland

ME

8

DETROIT-SW

MI

7

Clinton, Chancy Park

IA

7

Fall River

MA

7