2024 Yes The exposure of children to PM 2.5 and dust in indoor and outdoor school classrooms in Kuala Lumpur City Centre https://linkinghub.elsevier.com/retrieve/pii/S0147-6513(18)31330-7 Othman, Murnira Asia Epidemiological Modeling Elementary (K-5) Particulate Matter (PM) Dust fine particulate matter (PM2.5) School environment Indoor and outdoor dust Health risk assessment PM2.5 and dust composition were monitored in a Kuala Lumpur school. Indoor levels were influenced by student activity, with road dust as the main source. While cancer risk via ingestion exceeded limits, dermal and inhalation risks remained low. 2019