February 15, 2018

Low levels of PM 2.5 across the nation

PM levels were mostly good today, with only Code Yellow (Moderate) levels arising in the Northeast, the Northern Plains States, and parts of California (AirNow, top left). The elevated levels of PM 2.5 were partially due to smoke created by wildfires in the affected areas. However, there were only light plumes of smoke created, so the PM 2.5 levels were not impact very much. The light smoke coverage can be seen in NOAA's HMS smoke coverage, top right. The smoke was difficult to see because of heavy cloud coverage, as seen in NASA's MODIS Terra image, bottom left.

Posted by mglover at February 15, 2018 9:59 PM
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