The urban environment in South Asia: studying the ambient air quality in a mid-sized city in Bangladesh - Hossain, Md. Monabbir; Islam, Md. Tariqul; Sikder, Sujit Kumar; Hemstock, Sarah L.; Islam, Md. Aminul; Faruquee, Mahmud Hossain; Hossain, Md. Zakir (Frontiers in Sustainable Cities, 2025)