Fine particles (PM2.5) are invisible to the naked eye, but can have very harmful impacts on your health. These pollutants can lodge deep into your lungs because they are only about 1/30th the size of a human hair.
What are fine particles?
Fine Particulate Matter or PM2.5 refers
to particles of matter suspended in the air that are 2.5 micrometers in diameter or smaller. That’s 30 times smaller than the diameter of a single human hair!
What are the health effects of fine particles?
Fine particles have been identified by the Environmental Protection Agency and the American Lung Association as an air pollutant that can be very harmful to your health. Inhaling PM2.5 can cause coughing or wheezing. Exposure over extended periods of time can contribute to or worsen illnesses such as asthma, heart disease, chronic bronchitis, emphysema and pneumonia.