Air Quality Map - PM2.5

Preliminary Real-Time Hourly PM2.5 Levels for March 18, 2024 20-21 PST

Hold the mouse pointer over a dot to see the monitor's location


Air Quality Map
Key to Air Quality Concentrations
PM2.5
green.gif  0 - 12.0 µg/m3
yellow.gif  12.1 - 35.4 µg/m3
orange.gif  35.5 - 55.4 µg/m3
red.gif  55.5 - 150.4 µg/m3
purple.gif  150.5+ µg/m3


Hourly Basin Maximum
Air Quality Small Map

Ozone Map  


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