Site

State

PM AQI* (ug/m3)

Otay Mesa - Donovan

CA

16

Mira Loma - Van Buren

CA

13

Portola

CA

12

Calexico - Ethel Street

CA

12

Riverside - Rubidoux

CA

12

South Long Beach

CA

12

North Holywood

CA

11

Glendora - Laurel

CA

11

Porterville-NFS

CA

11

Lebec

CA

10