Site

State

PM AQI* (ug/m3)

Los Angeles - N. Main Street

CA

23

Datil-881 Railroad Canyon Rd

NM

21

Mira Loma - Van Buren

CA

20

LEEDS

AL

20

Isla Blanca C323/C667

TX

20

North Holywood

CA

18

Nogales Post Office

AZ

18

Corpus Christi - National S...

TX

17

Glendora - Laurel

CA

17

Yuba City

CA

17