As long as the dust/dirt layer in the atmosphere is at or below the level of the precipitation then what does fall out of the clouds should also collect some of the dust/dirt on the way down.

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.

If you want to use pavers to build a patio, you'll probably hear the advice that laying pavers over dirt is a mistake. It's true — you should level the ground and add sand and gravel over the ...