Indoor Air Quality in Naturally Ventilated Italian Classrooms
AbstractCharacterization of indoor air quality in school classrooms is crucial to children’s health and performance. The present study was undertaken to characterize the indoor air quality in six naturally ventilated classrooms of three schools in Cassino (Italy). Indoor particle number, mass, black carbon, CO2 and radon concentrations, as well as outdoor particle number were measured within school hours during the winter and spring season. The study found the concentrations of indoor particle number were influenced by the concentrations in the outdoors; highest BC values were detected in classrooms during peak traffic time. The effect of different seasons’ airing mode on the indoor air quality was also detected. The ratio between indoor and outdoor particles was of 0.85 ± 0.10 in winter, under airing conditions of short opening window periods, and 1.00 ± 0.15 in spring when the windows were opened for longer periods. This was associated to a higher degree of penetration of outdoor particles due to longer period of window opening. Lower CO2 levels were found in classrooms in spring (908 ppm) than in winter (2206 ppm). Additionally, a greater reduction in radon concentrations was found in spring. In addition, high PM10 levels were found in classrooms during break time due to re-suspension of coarse particles. View Full-Text
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Fuoco, F.C.; Stabile, L.; Buonanno, G.; Trassiera, C.V.; Massimo, A.; Russi, A.; Mazaheri, M.; Morawska, L.; Andrade, A. Indoor Air Quality in Naturally Ventilated Italian Classrooms. Atmosphere 2015, 6, 1652-1675.
Fuoco FC, Stabile L, Buonanno G, Trassiera CV, Massimo A, Russi A, Mazaheri M, Morawska L, Andrade A. Indoor Air Quality in Naturally Ventilated Italian Classrooms. Atmosphere. 2015; 6(11):1652-1675.Chicago/Turabian Style
Fuoco, Fernanda C.; Stabile, Luca; Buonanno, Giorgio; Trassiera, Concepcion V.; Massimo, Angelamaria; Russi, Aldo; Mazaheri, Mandana; Morawska, Lidia; Andrade, Alexandro. 2015. "Indoor Air Quality in Naturally Ventilated Italian Classrooms." Atmosphere 6, no. 11: 1652-1675.