It is hard to see it on the roads, or many other surfaces, because they almost always have some level of dust/dirt on them. But a clean car, windows, windshields it will show up pretty nicely on.

While some might have thought it was pollen or just waiting too long for a car wash, meteorologists say it came from dust on the other side of the country.

The cause of the residue was dust from the southwest and southern plains region of the United States, according to a post Friday on the Facebook page for the U.S. National Weather Service's Charleston ...