Laura A Rodriguez-Villamizar, Yurley Rojas, Sara Grisales, Sonia C Mangones, Jhon J Cáceres, Dayana M Agudelo-Castañeda, Víctor Herrera, Diana Marín, Juan G Piñeros Jiménez, Luis C Belalcázar-Ceron, Oscar Alberto Rojas-Sánchez, Jonathan Ochoa Villegas, Leandro López, Oscar Mauricio Rojas, María C Vicini, Wilson Salas, Ana Zuleima Orrego, Margarita Castillo, Hugo Sáenz, Luis Álvaro Hernández, Scott Weichenthal, Jill Baumgartner, Néstor Y Rojas
Rapidly urbanizing cities in Latin America experience high levels of air pollution which are known risk factors for population health. However, the estimates of long-term exposure to air pollution are scarce in the region. We developed intraurban land use regression (LUR) models to map long-term exposure to fine particulate matter (PM2.5 ) and nitrogen dioxide (NO2 ) in the five largest cities in Colombia. We conducted air pollution measurement campaigns using gravimetric PM2.5 and passive NO2 sensors for 2 weeks during both the dry and rainy seasons in 2021 in the cities of Barranquilla, Bucaramanga, Bogotá, Cali, and Medellín, and combined these data with geospatial and meteorological variables...
December 12, 2023: Environmental Science and Pollution Research International