Site

State

PM AQI* (ug/m3)

Portola

CA

34

Otay Mesa - Donovan

CA

27

Stockton - Hazelton Street

CA

21

Mesa 2 /Nipomo

CA

19

Nipomo Mesa CDF

CA

19

Pinehurst

CA

18

Visalia - N. Church Street

CA

16

South Long Beach

CA

16

Porterville-NFS

CA

15

Springville

CA

15