Site

State

PM AQI* (ug/m3)

Brawley - 220 Main Street

CA

43

DETROIT-SW

MI

32

Ascarate Park Southeast C37

TX

32

Liberty (SAHS)

PA

31

Pinehurst

CA

30

John Day Dayton St

OR

30

Socorro Hueco C49

TX

27

Kings Canyon National Pk-Hi...

CA

26

MONTG

AL

26

Portola

CA

24