Site

State

PM AQI* (ug/m3)

Lindsay-N Foothill Ave

CA

21

Hume

CA

17

Three Rivers

CA

17

Morro Bay (Temporary PM2.5)

CA

12

Mammoth Lakes

CA

11

Etna

CA

11

Springville

CA

10

Crescent City

CA

10

North Holywood

CA

9

MMNPS1031

CA

9