In megacities like São Paulo, which is responsible for approximately 16% of Brazil’s gross national product (GNP), the subway serves as a major transportation mode, transporting 2.7 million people daily. The underground portion of the subway system is a confined space that may permit the concentration of contaminants either from the outside atmosphere or generated internally. The objective of this study is to evaluate the air quality of two of São Paulo’s subway stations (Clínicas and Praça da Sé), by identifying the fungi species, the nitrogen dioxide (NO2), BTEX (benzene, toluene, ethylbenzene, and xylene), and particulate material (PM10) concentrations. Afterwards, a comparison of the internal pollutants concentration values with external atmosphere parameters is performed.
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Fujii, R.K., Oyola, P., Pereira, J.C.R., Nedel, A.S., Cacavallo, R.C. (2007). Air pollution levels in two São Paulo subway stations. In: Morrison, G.M., Rauch, S. (eds) Highway and Urban Environment. Alliance For Global Sustainability Bookseries, vol 12. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-6010-6_17
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