Particle pollution is made up of tiny bits of airborne solids and liquids. The larger particles can be visible as soot. Some particle pollution is so tiny that it’s invisible. These fine particles can pass directly into the bloodstream when breathed into the lungs. Particle pollution is a result of the combustion of fossil fuels and other organic material, and comes from many sources, including power plants, cars and trucks, diesel engines, and wildfires.
What can particle pollution do to you?
Particle pollution is deadly. It causes premature death, heart attacks, stroke, asthma attacks, and other serious health problems.
What you can do.
Learn more about how particle pollution harms our health by exploring our resources.