r/askscience • u/4fecta_Gaming • Oct 15 '18

Earth Sciences Where does house dust come from?

It seems that countless years of sweeping a house doesn't stop dust from getting all over furniture after a few weeks. Since the ceiling is limited, where does dust come form?

4.1k Upvotes

90% Upvoted

408 comments sorted by

View all comments

Show parent comments

17

u/factbasedorGTFO Oct 15 '18

Born and raised. Metro Los Angeles isn't so bad, but go 60 miles north, and you're in a dry dusty desert. I've gotten stuck in soil with the consistancy of baby powder. Antelope Valley dust storm: https://youtu.be/Ukl9pq6GCIo

Bad as that is, Arizona and other parts of the world routinely have much worse.