Contemporary indoor-air-quality problems affecting the health and comfort of occupants and progress toward their resolution

This article deals with the most critical issues and outstanding solutions in the Indoor Air Quality field. The sources of IAQ problems such as indoor pollutants, as well as the resolutions (ventilation standards, control technologies, air quality and green buildings, homeland security) are presented. But more research and development is still needed though progress toward indoor environments that reliably control odors and chemical or biological contaminants to safe and comfortable levels is being made.