Site

State

PM NowCast (ug/m3)

Big Bend NP

TX

22

Eagle Pass C319

TX

21

Odessa Gonzales C1014

TX

20

Hanover-297 Manzana Rojo

NM

13

Hidden Valley

AZ

13

Amarillo Texas A&M C320

TX

12

South Phoenix

AZ

11

Grand Canyon ozone bench

AZ

11

Tempe

AZ

9

NM

7