Particulate matter - Wikipedia Particulate matter (PM) or particulates [a] are microscopic particles of solid or liquid matter suspended in the air An aerosol is a mixture of particulates and air, as opposed to the particulate matter alone, [ 1 ] though it is sometimes defined as a subset of aerosol terminology [ 2 ]
Particulate Matter (PM) Basics | US EPA - U. S. Environmental . . . PM stands for particulate matter (also called particle pollution): the term for a mixture of solid particles and liquid droplets found in the air Some particles, such as dust, dirt, soot, or smoke, are large or dark enough to be seen with the naked eye
Particulate matter | Definition, Air Pollution, Sources . . . Particulate matter—especially those particulates less than 10 micrometers (μm; millionths of a meter) in diameter—are significant air pollutants because of their very harmful effects on human health, including increased risk of cancer, lung and cardiovascular disease, and decreased life expectancy
Particulate - definition of particulate by The Free Dictionary 1 of, pertaining to, or composed of distinct particles n 2 a separate and distinct particle 3 a material composed of such particles a the aggregate of such particles: diesel particulates b particles suspended in the atmosphere, esp pollutants
What does Particulate mean? - Definitions. net Particulate refers to any substance composed of fine particles that can be dispersed in their environment This substance may be solid or liquid, but is usually suspended in the air or in a gas