Observational analysis reveals air pollution impacts from wood stoves in residential areas of Los Ángeles, suggesting urgent environmental interventions.
Air pollution is a major challenge for the environmental authorities in Chile, mainly in southern cities, including Los Angeles city. AERMOD model was used to determine points of maximum impact, optimal emission factors and influence of neighbourhoods in Los Angeles city, for particulate matter PM2.5 and PM10, because of the use of residential wood stoves. Model uses data from urban sources, meteorological data for year 2013 and 2014, and digital topography. Points of maximum impact for 24-hour concentration are located at WGS 84 UTM coordinates Zone18 733045 mE and 5849051 mS (2013) and 733345 mE and 5849451 mS (2014) for Hurtado neighbourhood. Optimal emission factors obtained were0.69 gMP2.5/kgwood and 2.1 gMP10/kgwood, levels for which pellets or gas equipments are suitable. Neighbourhoods that have greater influence on points of maximum impact are pueblo Nuevo and Central with a share of 59% and 13.5% respectively, so that air quality in the neighbourhood Hurtado has an important influence of adjacent neighbourhoods.
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Fernández et al. (2016) studied this question.
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