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Particulate matter

Similar term(s): PM, suspended particulate matter, total suspended particulates, black smoke, inhalable particles, thoracic particles, respirable particles.

Definition:

Sum of all microscopic solid and liquid particles, of human and natural origin, that remain suspended in a medium such as air for some time. These particles vary greatly in size, composition, and origin, and may be harmful.

Particulate matter may be in the form of fly ash, soot, dust, fog, fumes etc.

Source: GreenFacts

More:

Based on the size of their aerodynamic diameter particles can be classified as PM10 (coarse and fine particles), PM2.5 (fine particles) or PM0.1 (ultrafine particles).

Source: GreenFacts

Related words:

Aerodynamic diameter - Aerosol - Coarse particles - Fine particles - PM10, PM2.5, PM0.1 - Primary & secondary particles

Translation(s):

Español: Partículas en suspensión
Français: Particules en suspension

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