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Temporal and spatial analysis of traffic – Related pollutant under the influence of the seasonality and meteorological variables over an urban city in Peru by Yovitza Romero; César Diaz; Ian Meldrum; Ricardo Arias Velasquez; Julien Noel is a Medicine article available to read on EtoBox.

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A four yearlong air monitoring data (since 2015 to 2018) was collected to assess the impact of meteorological parameters such as temperature, relative humidity, wind speed and wind direction on the spatial and temporal variability of CO (carbon monoxide), NO (nitrogen oxide), O (ozone), SO (sulfur dioxide), PM and PM (particulate matter with diameter aerodynamic less than 2.5 m and 10 m respectively) in Lima Metropolitan Area (LMA). Data from eight air quality monitoring stations, currently under the supervision of the National Meteorological and Hydrological Service (SENAMHI), was used to capture traffic - related pollutants concentrations under various local traffic conditions. Effects on meteorological events on seasonal traffic-related pollutants concentration variability were identified. Using average data from the eight stations, it was found that the monthly mean traffic-related pollutants since 2015 to 2018 were higher in spring and winter and lower in autumn and summer. Low-wind speed was associated with events that contribute to elevated seasonal PM levels. Correlation coefficients between PM concentrations and meteorological variables fluctuated significaly across differ

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Author

Yovitza Romero; César Diaz; Ian Meldrum; Ricardo Arias Velasquez; Julien Noel

Publisher

Elsevier BV

Published

2020

Language

EN

Field

Medicine (Physical Sciences)