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ΑΣ10 (αιωρούμενα σωματίδια) > PM10 (particulate matter in the air)
One translation of the Greek term ΑΣ10 (αιωρούμενα σωματίδια) in English is PM10 (particulate matter in the air).
Glossary name: Greek abbreviations
Source: ProZ.com user glossaries » Dylan Edwards » Greek abbreviations
The PM10 fraction comprises both coarse particles (PM10-2.5) and fine particles (PM2.5), while fine particles (PM2.5) include the ultrafine particles (PM0.1).
Hence, because PM10 comprises PM2.5 which comprises PM0.1, these three fractions should never be added together. For example, PM10 should never be added to PM2.5.