2024 No https://doi.org/10.1080/09603123.2024.2305223 Rathi, Shubham Asia Experimental Exposure Study Modeling Students Ventilation rates Particulate Matter (PM) Respiratory symptoms Classrooms Particles Filtration Ventilation Lung deposition This study measured particle levels in four Kanpur schools, comparing ventilation types. Modeling showed that meeting ISHRAE Class C guidelines reduced lung particle deposition, supporting improved filtration to reduce respiratory risks in polluted schools.