Site

State

PM AQI* (ug/m3)

Redding-Bridge Bay Rd

CA

20

Los Angeles - N. Main Street

CA

19

Springville

CA

18

North Holywood

CA

16

Glendora - Laurel

CA

15

Mira Loma - Van Buren

CA

15

Visalia - N. Church Street

CA

15

Banning - South Hathaway St...

CA

14

Upland

CA

14

Macdoel

CA

14