Site

State

PM AQI* (ug/m3)

Eliza Howell- Roadway

MI

24

Danbury

CT

20

Bridgeport

CT

20

SPRINGFIELDSP

MA

19

Waterbury

CT

19

Worcester

MA

18

Keene

NH

18

Boston-Von Hillern

MA

17

Hartford-Huntley

CT

17

RUTLAND

VT

16