Indoor air quality

Science

Definition

The condition of air inside buildings as it relates to the health and comfort of occupants. Indoor air can contain pollutants like volatile organic compounds (VOCs), carbon monoxide, radon, mold spores, and particulate matter, often at concentrations 2-5 times higher than outdoor air.

Examples

  • Radon gas seeping into basements from underlying rock
  • Off-gassing of formaldehyde from new furniture and carpeting
  • Carbon monoxide buildup from malfunctioning gas appliances

Related Terms

Air pressure Atmosphere layers Toxicology Smog

Study This Concept

Practice indoor air quality with free review games in these units:

AP Environmental Science Unit 7: Atmospheric Pollution