
Particulate Matter (PM) Basics | US EPA
May 30, 2025 · 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, …
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] …
Particulate matter | Definition, Air Pollution, Sources, Health Effects ...
Particulate matter is a type of air pollution that consists of airborne suspensions of extremely small solid or liquid particles, such as soot, dust, smokes, fumes, and mists.
PARTICULATE Definition & Meaning - Merriam-Webster
The meaning of PARTICULATE is of or relating to minute separate particles. How to use particulate in a sentence.
Particle Pollution - American Lung Association
May 27, 2025 · Under the federal Clean Air Act, more protective standards nationwide have helped drive down the emissions that contribute to particulate matter. Power plants, industrial sites, vehicles and …
Particulate Matter | Air Quality
Nov 13, 2025 · Satellite data indicate that PM 2.5 levels have decreased by about 30% over the Eastern U.S. from 1998 to 2012 (Boys et al., 2014) because of emission control measures, but …
PARTICULATE Definition & Meaning | Dictionary.com
PARTICULATE definition: of, relating to, or composed of distinct particles. See examples of particulate used in a sentence.
PARTICULATE | definition in the Cambridge English Dictionary
Studies have linked exposure to particulates in air pollution with increased risk for heart disease. Masks are available to filter out the dangerous particulates in the air. Most fine particulates result from …
Particulate - New World Encyclopedia
Particulates, also referred to as particulate matter (PM), aerosols, or fine particles, are tiny particles of solid or liquid suspended in a gas. They range in size from less than 10 nanometers to more than …
Particulate - definition of particulate by The Free Dictionary
Formed of very small, separate particles. Dust and soot are forms of particulate matter.