There is a common belief that the air outside your front door is much worse to breathe than the air inside your home. But studies show the air inside your home is actually more polluted.
How did your indoor air get dirtier than that outside? There are several culprits, including fumes off-gassed by furniture, paint and building materials; chemicals from household cleaning products and fragrances; combustion devises like your furnace and hot water tank; as well as dust, bacteria and mold.
