The current publications presents indoor air contains (IAQ) a variety of contaminants. This review on the IAQ of Belgian households and public buildings includes scientific and grey literature published from 2005 until 2015. The current national understanding on indoor chemical agents, microbiological indoor pollution as well as radon, was inventoried and evaluated, and resulted in the identification of national knowledge gaps and needs for further research. The review is divided into 3 main sections: chemical indoor air priority pollutants, indoor microbial pollutants and radon in indoor air.
volatile organic compounds (VOC), total volatile organic compounds (TVOC) , benzene, benzo(a)pyrene , toluene, ethylbenzene, and xylenes, formaldehyde, acetaldehyde, trichloroethylene, tetrachloroethylene, pinene, limonene, radon,