Sungchil LeeOdbileg NorovryenchinBaljinnyam Guntevsuren2025-10-012019https://gmitlibrary.net/handle/123456789/21This thesis work focused on road dust reduction in Ulaanbaatar by filtering. It searched for ways to reduce the airborne with the filter attached on public bus operated in Ulaanbaatar city. The road dust contains the PM10 and PM2.5 which are one of the dangerous materials in air pollution and can affect human health. The airflow around a public bus was simulated by ANSYS CFD software.enThesis