Efficiency of an Air Cleaner Device in Reducing Aerosol Particulate Matter (PM) in Indoor Environments

Paola Fermo, Valeria Comite, Luigi Falciola, Vittoria Guglielmi and Alessandro Miani
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Paola Fermo: Dipartimento di Chimica, Università degli Studi di Milano, 20133 Milano, Italy
Valeria Comite: Dipartimento di Chimica, Università degli Studi di Milano, 20133 Milano, Italy
Luigi Falciola: Dipartimento di Chimica, Università degli Studi di Milano, 20133 Milano, Italy
Vittoria Guglielmi: Dipartimento di Chimica, Università degli Studi di Milano, 20133 Milano, Italy
Alessandro Miani: SIMA (Società Italiana di Medicina Ambientale), Via Monte Leone 2, 20149 Milano, Italy

IJERPH, 2019, vol. 17, issue 1, 1-9

Abstract: Indoor air quality (IAQ) in household environments is mandatory since people spend most of their time in indoor environments. In order to guarantee a healthy environment, air purification devices are often employed. In the present work, a commercial household vacuum cleaner has been tested in order to verify its efficiency in reducing the mass concentration and particle number of aerosol particulate matter (PM). The efficiency has been tested measuring, while the instrument was working, PM 10 (particles with aerodynamic diameter less than 10 μm), PM 2.5 (particles with aerodynamic diameter less than 2.5 μm), PM 1 (particles with aerodynamic diameter less than 1 μm), and 7 size-fractions in the range between 0.3 and >10 μm. Measurements have been carried out by means of a portable optical particle counter instrument and simulating the working conditions typical of a household environment. It has been found that the tested commercial device significantly reduces both PM concentrations and particle number, especially in the finest fraction, i.e., particles in the range 0.3–0.5 μm, allowing an improvement of indoor air quality.

Keywords: air cleaner; particulate matter; indoor air quality (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2019
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