Yesterday's cold front has transported smoke into the Front Range region from wildfires in Wyoming. In fact, it is a bit more smoke that we had originally anticipated as the fires were more active yesterday that expected. Although fine particle levels are not quite high enough for any advisories, people who suffer from heart or lung ailments in Denver, Boulder, Longmont, and Ft. Collins may want to skip that outdoor exercise this morning. Any improvement with the air quality today will likely be slow as atmospheric mixing will not be very good.
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