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Similar term(s): coarse fraction, PM10-2.5.
Particulate matter present in air is divided into different categories depending on the size of the particles (aerodynamic diameter).
Coarse particles are the relatively large airborne particles mainly produced by the mechanical break-up of even larger solid particles.
Examples of coarse particles include dust, pollen, spores, fly ash, and plant and insect parts.
Coarse particles have an aerodynamic diameter ranging from 2.5 to 10µm (PM10-2.5), which distinguishes them from the smaller airborne particulate matter referred to as fine (PM2.5) and ultrafine particles (PM0.1).
Aerodynamic diameter - Fine particles - PM10, PM2.5, PM0.1 - Particulate matter
GreenFacts Summary on Air Pollution Particulate Matter
Español: Partículas gruesas
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