Site

State

PM AQI* (ug/m3)

Springville-Sherman Pass Rd

CA

17

Otay Mesa - Donovan

CA

17

Los Angeles - N. Main Street

CA

16

Pinehurst

CA

16

Glendora - Laurel

CA

15

Porterville-NFS

CA

15

Kernville

CA

15

Groveland-9010 Hillside Loo...

CA

15

Madera-City

CA

14

Sequoia National Park-River Rd

CA

14