Particles with a diameter of less than 0.1 micrometers. These particles are produced from vehicle exhaust, power plants, and other combustion sources. They are able to penetrate deep into the lungs and have been linked to adverse health effects.
Particles with a diameter of less than 0.1 micrometers. These particles are produced from vehicle exhaust, power plants, and other combustion sources. They are able to penetrate deep into the lungs and have been linked to adverse health effects.