The metropolitan region of Salvador (RMS), Bahia, Brazil, lacks studies on the transport of air pollutants using air quality models. In this sense, this work seeks to carry out a preliminary study of the transport of pollutants in the RMS using an inventory of vehicle emissions for the year 2015, based on the methodology available in the literature (National Inventory of Atmospheric Emissions by Road Motor Vehicles). For the analysis of particulate matter emissions (MP10), the integrated modeling system WRF-SMOKE-CMAQ was used. The simulations showed maximum values of 15 μg/m 3 and 12 μg/m 3 for 7 am and 1 pm, on June 30, 2015, respectively. Although simulations are presented for just one day, the results show the importance of these studies as a tool to help manage air quality.
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