November 9, 2017

Low levels of ozone begin as winter is coming

Air quality was mostly good today, with only some Code Yellow (Moderate) levels of PM 2.5 seen in the Rocky Mountain States, the Southeast, and the Mid-Atlantic, as seen in AirNow's PM 2.5 map, top left. There were also small amounts of Code Yellow seen in the mid Plains States and California. There was some smoke seen in the Rocky Mountain States, but it does not seem to have had a large impact on the air quality in this area (NOAA, top right). There was also little to no ozone seen in the nation, which was most likely due to the low temperatures coming with the winter season.

Posted by mglover at November 9, 2017 10:44 PM
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