Indoor Air Quality Understanding Ventilation Systems Understanding Indoor Air Pollutants February 16, 2010 by admin A host of different biological, gas, and particulate pollutants can affect the indoor air quality. The types of contaminants and the amounts that are suspended in the air determine air quality. Biological Air Pollutants Biological pollutants are or were living organisms. While all of us are exposed to biological pollutants in one form or another, […] Read more » Biological Air Pollutants Chemical Air Pollutants Gas Air Pollutants Indoor Air Quality Particulate Air Pollutants Pollutants