Document Type


Publication Date

Summer 2024


Despite being one of the fastest growing developing countries, Bangladesh is consistently ranked among the most air polluted in the world The adverse effects of air pollution on the economy and public health are significant, yet efforts to combat it have been minimal Unplanned urbanization and industrialization are key contributors to air pollution, particularly particulate matter This study employed the Support Vector Machine ( to identify different land use types and utilized ANOVA tests to examine the variations in land cover categories over time The findings reveal a substantial increase of approximately 28 42 in built up areas, alongside a decrease of 39 53 in mixed forest cover between 2001 and 2019 in Sylhet Concurrently, PM 2 5 concentrations have risen from 49 00 µg/m³ to 57 10 µg/m³ The study concludes that the expansion of built up and barren lands contributes to the escalation of PM 2 5 levels, whereas forested areas and water bodies are associated with reductions in PM 2 5 concentrations

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