Muhammad Azher Hassan is a Research Assistant at the School of Environmental Science and Engineering and an active member of the Tianjin Key Laboratory of Indoor Air Environmental Quality Control, Tianjin University (Tianjin, China). He has a background in environmental engineering with a focus on modeling and computing air-quality-related issues. He has worked as a master's student at Beihang University and as a design engineer for Lectel and Cytedal, showcasing his proficiency in CAD design and GIS analysis. His research interests revolve around investigating the spatiotemporal effects of tropospheric ozone, particulate matter, and the chemical life cycle of ambient ozone and its precursors.