Pilot monitoring of ultrafine particle number concentrations in some households in Hanoi

Purpose / Context - Epidemiological studies have consistently shown that fine and course airborne particles (PM2.5 and PM10), as well as ultrafine (UF) particles measured in terms of particle number (PN) concentrations, are toxic to human health. A number of studies on particle concentrations in households were conducted worldwide; however, no such studies have so...