What is indoor air pollution?

Do health symptoms improve when you leave home? Do they come back when you return? If so, you may have an indoor air pollution problem and should explore the following potential causes:

  • Is anyone smoking indoors? No one should smoke indoors.
  • Can you see or smell mold or mildew?
  • Is the humidity regularly above 50 percent?
  • Are there leaks or standing water anywhere— kitchen, basement, attic?
  • Are all fuel-burning appliances (gas stoves, water heaters, fireplaces) fully vented to the outdoors?
  • Is there an attached garage or basement where cars, lawnmowers or motorcycles are stored?Are household chemicals, paints or solvents stored indoors or in an attached garage or basement?
  • Have you recently remodeled and painted, or added new furniture and carpeting?
  • Do you use odor-masking chemicals or "air-freshening" devices?
  • Has kitchen or food garbage been covered and removed?
  • Have you used pesticides recently?
  • Do you have indoor pets, or allow outdoor pets inside your home?