It's raining mud!

When I woke up this morning I looked out the window, and I saw a red sky. I didn't get it too much importance, and I eat my cereals with milk. Delicious!
But when I opened the door, I saw all the cars very dirty. Even the white cars were brown! So now, I have curiosity of what type of meteorological phenomenon is this. I look into some internet pages.
The raining mud is caused by a cloud of dust that comes from the Sahara. It's acrossing Catalunya, in direction to France and maybe Italy.
The more polluted regions like Barcelona and Girona will be more affected than the other part of the country.

It's funny the raining mud, cause remember me a song called: IT'S RAINING MAN! hahaha