Site

State

PM AQI* (ug/m3)

Unit153

MT

24

Isla Blanca C323/C667

TX

21

Brownsville C80

TM

21

St Regis Mohawk-NY

NY

19

Riverside - Rubidoux

CA

17

Mission C43

TX

16

Glendora - Laurel

CA

16

RIT

PA

16

Upland

CA

15

Otay Mesa - Donovan

CA

15