Strange White Ash Falling Reported in The Pacific Northwest US

This weekend, emergency officials from Washington and Oregon have
reported the presence of a milky white, ashy substance. Obviously, there
are live volcanoes nearby but officials believe that this foreign
substance must be coming from thousands of miles away or might be
remnants left behind in the atmosphere from a nearby wildfire; or even
just dust kicked up from a nearby storm in the recent past.

Walla
Walla Country Emergency officials declared this week, “We have received
reports of ‘white stuff’ on vehicles. The ash is more than likely from
the Volcano Shiveluch. “