June 28, 2018

Smoke in Plains States slightly raises PM 2.5 levels

PM 2.5 levels today were relatively low, with small amounts of Code Yellow (Moderate) levels of particulate matter being seen in the Rocky Mountain States, the Pacific Southwest, and the Great Lakes Region (AirNow, top left). There was also some Code Orange (Unsafe for Sensitive Groups) seen in the Rocky Mountain States. There was a large amount of smoke in the Plains States, as seen in NOAA's HMS map, top right. Despite smoke density ranging from heavy to light plumes, the PM levels did not rise to unhealthy levels. One fire that contributed to the amount of smoke in this region was the Buzzard Fire in New Mexico (InciWeb). This wildfire was human-caused and currently spans over 50,000 acres and counting. The smoke plumes were capture in NASA's MODIS Terra images, bottom left. Ozone levels, on the other hand, were more widespread, with Code Yellow and Code Orange levels being seen in the Plains States, the Pacific Southwest,and the Great Lakes region.

Posted by mglover at June 28, 2018 9:30 PM
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