Site

State

PM AQI* (ug/m3)

Portola

CA

19

Otay Mesa - Donovan

CA

19

Indpls - I-70 E

IN

18

Sequoia National Park-River Rd

CA

18

Paonia

CO

17

WAUKESHA - CLEVELAND AVE

WI

15

JPRECC

KY

15

Nipomo Mesa CDF

CA

14

Moore

OK

14

Cicero2

IL

13