December 28, 2017

PM 2.5 levels heighten along the west coast

There were heavy amounts of PM 2.5 along the west coast, with Code Yellow (Moderate), Code Orange (Unsafe for Sensitive Groups), and Code Red (Unsafe) levels of PM 2.5 seen along the west coast, the Rocky Mountain States, and the Great lakes region, as seen in AirNow's PM map, left. However, the excess PM 2.5 was not due to smoke from wildfires, as there was only some smoke seen in the Southeast (NOAA, right). The rise in PM 2.5 was most likely due to people burning wood to keep warm in the winter months.

Posted by mglover at December 28, 2017 9:20 PM
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