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Ingeniería e Investigación
versión impresa ISSN 0120-5609
Resumen
FRANCO, J. F.; ROJAS, N. Y.; SARMIENTO, O. L. y BEHRENTZ, E.. Urban air pollution in school-related microenvironments in Bogota, Colombia. Ing. Investig. [online]. 2013, vol.33, n.2, pp.42-48. ISSN 0120-5609.
Particle-related pollution (PM10, PM2.5 and soot) was measured in both indoor and outdoor microenvironments at four public elementary schools in Bogota, Colombia. Three of these schools were located alongside major urban roads in which different types of public transit systems are used (bus rapid transit system and conventional transit buses). The fourth school was located on a non-congested road (background school). Pollutant levels at schools situated on major-roads were higher than those found at the low-congestion-road school. Outdoor black carbon daily mean concentrations at the schools located near major roads were up to six times higher than those recorded at the background school. Mean particulate matter concentrations at schools near major roads were above international standards, suggesting that school-age children in Bogota are exposed to pollution levels that are considered to be harmful by environmental and public health authorities. Elevated indoor and outdoor pollutant concentrations documented in this study suggested that traffic has a direct impact on air quality regarding the schools' characterised microenvironments.
Palabras clave : Traffic-related air pollution; air quality; children's exposure; urban sustainability.