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Mapping of Particulate Matter (Using GIS) in Urban area, Coimbatore

P.R. Vijaya Subramaniam, A. Gandhimathi, T. Praveen, A. Sangeetha

Abstract


Air pollution is one of the most important environmental issues all over the world caused due to urbanization and industrialization. Air quality index (AQI) is a tool which helps the public to identify the extent of air pollution. In this study, different monitoring station locations are selected at Saravanamapatti, Coimbatore, which is a commercial cum residential area. Meteorological parameters like wind speed and direction, precipitation, temperature were measured for one month. The concentration of particulates (PM10 and PM2.5) were measured by Respirable dust sampler and Fine particulate sampler. From the concentration values the air quality index was found which was then compared with the standards. The result shows that the maximum PM10 and PM2.5 concentration value is 102.08μg/m3 and 68μg/m3respectively. The PM10 AQI value is 102.08 which is in ‘unhealthy for sensitive group’ range and the PM2.5 AQI value is 113.33 which is in ‘unhealthy’ range. The wind rose map is prepared for the study period by using WRPLOT. GIS map is prepared to show the concentration of particulate matter in ambient air over the study area.


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References


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