UsageParticles less than or equal to 10 micrometers in diameter are so small that they can get into the lungs, potentially causing serious health problems. Ten micrometers is less than the width of a single human hair. Coarse dust particles (PM10) are 2.5 to 10 micrometers in diameter.
Particles less than or equal to 10 micrometers in diameter are so small that they can get into the lungs, potentially causing serious health problems. Ten micrometers is less than the width of a single human hair. Coarse dust particles (PM10) are 2.5 to 10 micrometers in diameter.