particulate matter

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Is divided into several subgroups according to particle size. PM10 covers all particulate matter with an aerodynamic diameter of 10 micrometre and less followed by PM2.5 for all particulate matter with an aerodynamic diameter of 2,5 micrometre and less and ultrafine particles with an aerodynamic diameter of less than 0,1 micrometre. In Europe, binding limit values for particulate matter fractions PM10 (daily limit value 50 μg / m³) and PM2.5 (daily limit value 25 μg / m³) ensure air quality and protection of human health.

Synonyms:
PM
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