lecture 5- atmosphere and pollution

types of pollutants

particulate and aerosol

particulate pollutants

microscopic solids or liquids that are airborne

aerosol pollutants

• particulate + air mix.

  • Ranges from visible to microscopic

natural pollution

Once in the atmosphere, they can travel the world and reach up into the stratosphere

• ex. volcanoes, dust, biological pollutants, wildifires

anthropogenic pollution

generated by human activity

• ex. industrial pollution, transportation, burning fossil fuels

particulate matter (PM)

inhalable type of pollutant that is micrometers (2.5 or 10)