What is particulate matter in science?
“Particulate matter,” also known as particle pollution or PM, is a complex mixture of extremely small particles and liquid droplets. Particle pollution is made up of a number of components, including acids (such as nitrates and sulfates), organic chemicals, metals, and soil or dust particles.
What is particulate matter your answer?
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.
What is the definition of particulate matter in geography?
Particulate matter is a mixture of particles and droplets in the air, consisting of a variety of components such as organic compounds, metals, acids, soil, and dust (US Environmental Protection Agency, 1996; Ciencewicki and Jaspers, 2007).
Where is the particulate matter?
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. Some particles are large or dark enough to be seen as soot or smoke.
What is particulate matter Slideshare?
Particulate matter (PM) • PM is a complex mixture of air borne particles that differ in size, origin and chemical composition, all of which are <10 µm in size. • E.g. dust, smoke, soot Suspended Respirable Particulate Particulate Suspended Matter, PM Matter, SPM Particles, RSP Fine particles soot.
Which of the following is a particulate matter?
Particulate matter is the sum of all solid and liquid particles suspended in air many of which are hazardous. This complex mixture includes both organic and inorganic particles, such as dust, pollen, soot, smoke, and liquid droplets. These particles vary greatly in size, composition, and origin.
What is particulate matter Wikipedia?
Particulates – also known as atmospheric aerosol particles, atmospheric particulate matter, particulate matter (PM) or suspended particulate matter (SPM) – are microscopic particles of solid or liquid matter suspended in the air.
What are particulates examples?
Particulate matter is the sum of all solid and liquid particles suspended in air many of which are hazardous. This complex mixture includes both organic and inorganic particles, such as dust, pollen, soot, smoke, and liquid droplets.
What produces particulate matter?
Particulate matter particles can either originate from antropogenic (caused by humans) or from natural sources. Volcanic eruptions, soil erosion, sea salt or the import of desert sand are all examples of possible sources of particulate matter. Also pollen (from vegetal origin) can be a component of particulate matter.
What is particulate matter PPT?
PM is a complex mixture of air borne particles that differ in size, origin and chemical composition, all of which are <10 µm in size. US EPA described PM pollution as ‘mixture of mixtures’. PM is among the most harmful of all air pollutants. Read more.
What is particulate matter and its types?
Particulate matter is separated into three main groupings: coarse particles (PM10), fine particles (PM2. 5), and ultrafine particles (PM0. 1). These particle sizes, in general, differ in origin and health effects.