What could possibly be in my air ducts? An unclean air duct system can contain a lot of irritants and pollutants. Dust is the most common particle in the duct systems of your homes. Dust by the way is a mixture of any other particles in the environment. The components of dust are dependent on the environment. Say for example, the household dust is a mixture of mostly dried dead skin cells, pollens, animal dander, dirt and many others.
Dust is basically with us everywhere we go. Getting of rid it is actually hard to do. They accumulate in a less span of time. Dust is the number one guilty party in asthma and allergy attacks. What could possibly be in my air ducts are dust and more.