We tend to think of air pollution as something outside -- smog, ozone, or haze hanging in the air. But the truth is, the air inside in your homes, offices, and other buildings are more polluted than the air outside. The air inside in your home may be polluted by house dust, fire-retardants, radon, and even unstable chemicals from fragrances. Some pollutants are tracked into the home. Some arrive through a new mattress or furniture, carpet cleaners, or a coat of paint on the walls. But because we spend so much time in our home especially in colder weather so
