Particulate matter (PM) or particulates[a] are microscopic particles of solid or liquid matter, which are suspended in the air. An aerosol is a mixture of particulates and air, as opposed to the particulate …

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, …

Mar 1, 2026 · 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.

The meaning of PARTICULATE is of or relating to minute separate particles. How to use particulate in a sentence.

Ambient particulate matter (PM) is a major air pollution that comprises a heterogeneous mixture of different particle sizes and chemical components. The chemical composition and physicochemical …

PARTICULATE definition: of, relating to, or composed of distinct particles. See examples of particulate used in a sentence.

They are a kind of air pollution called particles or particulate matter. In fact, particulate matter may be the air pollutant that most commonly affects people's health.

PARTICULATE definition: 1. an extremely small piece of dirt, especially one produced by road vehicles, that causes…. Learn more.

Publication Number: FS-19-13 Revised June 2024 AIR POLLUTANT: Particulate What is particulate matter? liquid droplets suspended in air. This pollution is made up of a number of components, …

Particulate matter, or PM, is the term for particles found in the air, including dust, dirt, soot, smoke, and liquid droplets. Particles can be suspended in the air for long periods of time.