Site

State

PM AQI* (ug/m3)

Fresno-Foundry Park

CA

37

Maple Falls-Azure Way

WA

37

South Valley

NM

37

Corcoran

CA

31

Hanford - S. Irwin Street

CA

29

John Day Dayton St

OR

29

Clovis - N. Villa Ave

CA

29

Fresno-Pacific

CA

28

Modesto - 14th Street

CA

28

Lancaster DW

PA

28