Indoor air pollution

Public attention is often focused on the importance of outdoor air quality, while indoor air quality is underestimated or forgotten altogether. Scientists now state that indoor air can frequently be much more polluted than outdoor air, even in large industrial cities.

People spend most of their time indoors. Children breathe a greater volume of air relative to their body than adults, putting them at greater risk of accumulating higher concentrations of pollutants in their bodies.

Click on the illustration to the right to find the four most-common air pollutants in the home.