In the world of dreams the rules of reality do not necessarily apply. Each dream is unique and it's a direct link to the soul and spirit. Psychology provides its own theories on what dreams mean, but so did tradition and the study of dreams for thousands of years before any relevant science had developed.
Dream Meanings - Dust
If you dream your house is full of dust then expect family tension and rows. If dust enters your eyes, you will receive upsetting news. If you see a dust cloud in front of you expect problems at work.