An aerosol is a droplet or particle suspended in air.
A bioaerosol comes from a living organism.


Bioaerosols include:

Algae
Bacteria
Dust mite feces
Mold spores
Pet dander
Pollen
Viruses

Volatility is how easily a liquid evaporates. VOCs are vapors and gases released during evaporation.


VOCs come from:

Cleansers and disinfectants
Construction materials
Dry-cleaned clothing
Fuel and automotive products
Paints and plastics
Scents and perfumes
Tobacco smoke