Site

State

PM NowCast (ug/m3)

Houston Westhollow C410

TX

80

Clinton C403

TX

73

Houston North Loop C1052

TX

71

Houston East C1

TX

59

Houston North Wayside C405

TX

54

Laredo C313

TX

43

Brownsville C80

TM

41

Isla Blanca C323/C667

TX

39

Portola

CA

37

Hidden Valley

AZ

37