Site

State

PM AQI* (ug/m3)

Camden Spruce St

NJ

25

Lancaster DW

PA

15

Padonia

MD

13

Leech Lake Nation: Cass Lake

MN

12

Gary-IITRI

IN

11

NEW

PA

11

York

PA

11

BROADWAY (South)

IL

10

Lancaster

PA

10

Forest Park

MO

10