Indoor air pollution can be as dangerous, or more, than outdoor air pollution. Indoor air is often more contaminated to begin with, and most people spend over 90 percent of their time indoors
The level of air pollution in your home can be two to five times higher than outside, and some of the pollutants you breathe can be as much as 100 times more concentrated indoors
Two primary sources of indoor air pollution are the materials used to construct the building itself and everything in it, including your furniture, and chemical products you bring into your home
Airtight modern buildings need to be properly ventilated to prevent or reduce the buildup of indoor air pollution
