Particle Size Distribution of Ambient Aerosols in an Industrial Area

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Aerosol samples of PM10 and PM2.5 were collected from 38 sampling locations in and around the industrial area. The 24 h average mass concentration of PM10 and PM2.5 was 137.5 and 61.5 μg/m3 respectively during summer, 122 and 97.5 μg/m3 respectively in winter and 70 and 54 μg/m3 respectively during post monsoon season. The relative contribution of coarse, fine and ultrafine particle to ambient air was analyzed for its temporal and seasonal variability in an industrialized area. This paper aims to establish baseline between PM10 and PM2.5 mass concentration levels.