Site

State

PM NowCast (ug/m3)

East St. Louis

IL

19

Newark Firehouse

NJ

16

Groton Fort Griswold

CT

13

St. Paul-Harding H.S.

MN

13

Fort Lee Near Road

NJ

12

Preble County

OH

12

Weymouth

MA

12

Bridgeport

CT

11

Brockton

MA

11

Boston-Von Hillern

MA

11