Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

28

Otay Mesa - Donovan

CA

21

Mira Loma - Van Buren

CA

17

North Holywood

CA

15

South Long Beach

CA

15

Crystal River Preserve

FL

15

San Diego - Sherman Element...

CA

15

Isla Blanca C323/C667

TX

14

Riverside - Rubidoux

CA

14

Anaheim

CA

14