n. Particles suspended in air, typically in an array of sizes ranging between 10 nanometers to 100 microns in diameter.


  • Discussion


Particulates (often referred to as particulate matter or PM for short) or equivalently aerosols (short for aerial solids) are tiny particles suspended in air. Particulates in smoke are aerosols that result from incomplete combustion of fuel, such as fossil fuel and wood. The amount of particulates emitted during combustion depends upon the type of fuel and conditions during combustion.