Indoor Air Quality (IAQ) describes the characteristics of the indoor conditions, a climate within an enclosed building, and in relation to occupants’ health and comfort.
There are many factors of indoor contaminants, one of them being bioaerosol. The most common bioaerosol is mold (fungi).
Symptoms associated with indoor fungi include mucosal irritation, recurrent rhinitis, recurrent hoarseness, asthmatic, interstitial lung dis-
ease, hypersensitive pneumonitis, pulmonary hemorrhage, aspergillosis, penicillosis, candidiasis, recurrent sinusitis, etc. This has become a serious concern as people spend more time indoors in an airtight air-conditioned environment at home and office. 

Sciencedirect defines “A bioaerosol is an airborne collection of biological material. Bioaerosols can be comprised of bacterial cells and cellular fragments, fungal spores and fungal hyphae, viruses, and by-products of microbial metabolism. Pollen grains and other biological material can also be airborne as a bioaerosol.”