• The average American breathes 3,400 gallons of air each day, making ambient air pollution a major environmental problem.
  • Indoor air quality is one of the EPA’s top five environmental risks to public health.
  • 87 percent of American homeowners are not aware that pollution may be worse inside their homes than outdoors.
  • Common indoor air pollutants include dust mites, pollen, mold, radon, carbon monoxide, excessive carbon dioxide, and other chemical fumes.
  • Indoor air pollution is two to five times worse (sometimes a 100x worse) than the air outdoors.
  • Air pollution contributes to lung disease, respiratory tract infections, asthma, and lung cancer.
  • Indoor air pollution is a problem for all types of homes, whether in a dense urban city or a rural town.
  • The three most important methods of improving indoor air quality are source removal, air cleaning, and increased ventilation.
  • Controlling exposure to indoor allergens and environmental tobacco smoke (ETS) could prevent 65 percent of asthma cases among elementary school-age children.

Sources: AMERICAN LUNG ASSOCIATIONAIR QUALITYEPA,