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Paper Details

Study on Ambient Particulate Matter (PM2.5) with Different Mode of Transportation in Dhaka City, Bangladesh

Md. Maruf Hossain1, Ahmad Kamruzzaman Majumder2*, Mahmuda Islam3, and Abdullah Al Nayeem4   1Program Manager, Work for a Better Bangladesh Trust (WBBT); 2Founder and President, Center for Atmospheric Pollution Studies (CAPS), Department of Environmental Science, Stamford University Bangladesh; 3Senior Lecturer, Department of Environmental Science, Stamford University Bangladesh; and 4Research Assistant, Department of Environmental Science, Stamford University Bangladesh *Corresponding: kamrul_sub@hotmail.com

Journal Title:American Journal of Pure and Applied Biosciences

Air pollution is considered a threat to the environment in developing countries. This study aims to quantify the concentration of PM2.5 in relation to the mode of transportation in the different areas of Dhaka city. For this, the concentration of PM2.5 was measured in ambient air with Ecotech Mini 2.5 Sampler and a traffic volume survey was conducted in 12 sites across the city in August 2017. The study found that PM2.5 concentrations in mixed and motorized areas were on average higher than non-motorized and vehicle-free areas. The maximum concentration of PM2.5 was found in Mirpur-10 (172.2 µg/m3) while minimum concentration was in B.C. das street (40 µg/m3). This study concluded that increasing the number of vehicles is one of the major sources of pollution of air in Dhaka city. Hence, a well-developed public transportation service instead of a private car may contribute to reducing air pollution in Dhaka city.