Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

26

Indio - Jackson Street

CA

21

Lakeview - Center & M

OR

20

Custer-Loomis (SO-AQS)

WA

20

Herriman #3

UT

16

Riverside - Rubidoux

CA

15

Mira Loma - Van Buren

CA

15

East St. Louis

IL

15

Klamath Falls - Peterson Sc...

OR

15

CCNY

NY

14