CONTAMINACIÓN DEL AIRE A FILO DE CALLE EN QUITO, CASO ESTUDIO GUAYAQUIL Y ESPEJO

David Chuquer Solá; Santiago Ampudia Vásquez; Carolina Puertas De La Cruz; Leonardo Bustamante Granda; Carlos Reina Velasco; Francisco Ramírez Cevallos

doi:10.47187/perf.v2i20.38

Authors

David Chuquer Solá Facultad de Ciencias Exactas y Naturales. Pontificia Universidad Católica del Ecuador. Av. 12 de Octubre 1076 y Roca, Quito, Ecuador. Código postal 170525.
Santiago Ampudia Vásquez Facultad de Ciencias Exactas y Naturales. Pontificia Universidad Católica del Ecuador. Av. 12 de Octubre 1076 y Roca, Quito, Ecuador. Código postal 170525.
Carolina Puertas De La Cruz Facultad de Ciencias Exactas y Naturales. Pontificia Universidad Católica del Ecuador. Av. 12 de Octubre 1076 y Roca, Quito, Ecuador. Código postal 170525.
Leonardo Bustamante Granda Facultad de Ciencias Exactas y Naturales. Pontificia Universidad Católica del Ecuador. Av. 12 de Octubre 1076 y Roca, Quito, Ecuador. Código postal 170525.
Carlos Reina Velasco Facultad de Ciencias Químicas, Universidad Central del Ecuador. Francisco Viteri y Gilberto Sobral S/N, Ciudad Universitaria, Quito, Ecuador. código postal 170521.
Francisco Ramírez Cevallos Facultad de Arquitectura, Diseño y Arte. Pontificia Universidad Católica del Ecuador. Av. 12 de Octubre 1076 y Roca, Quito, Ecuador. Código postal 170525.

DOI:

https://doi.org/10.47187/perf.v2i20.38

Keywords:

air pollution, Quito, pollutants criterium, ACP, crossed correlation

Abstract

Air pollution at the street edge was studied in the Historical downtown of quito (dmq) at a point of high vehicular flow by continuous gas monitoring and particulate material between April 5 and 12, 2018. Time profiles were obtained of the pollutant concentrations and their behavior was explained. The measurements in the study did not exceed the national and international permissible limits of air quality, however abnormal peaks were observed in the case of sulfur dioxide. The cross-correlation of the time series between the data reported by regional stations of the secretary of Environment of the DMQ and the data obtained in this study was evaluated, finding that carbon monoxide presents a higher concentration on the street edge. When performing the main components analysis (pca), several correlated pollutants were determined, which corroborates their formation cycles and de monstrates the influence of meteorological factors on air pollution at the street edge. Finally, it was determined that the concentrations of pm₁₀ in indoor air are higher than that registered in outdoor air in the sampled point.

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