2024 Yes Children environmental exposure to particulate matter and polycyclic aromatic hydrocarbons and biomonitoring in school environments: A review on indoor and outdoor exposure levels, major sources and health impacts https://www.sciencedirect.com/science/article/pii/S016041201832186X Oliverira, M. Multiple Countries Review Students Elementary (K-5) Middle/Jr High (6-8) Particulate Matter (PM) Biomarkers Children exposure Health effects Particulate matter (PM) Polycyclic aromatic hydrocarbons (PAHS) This review highlights elevated PM and PAH exposure in school environments, especially in Asia and polluted urban areas, with links to asthma and other health risks. Findings support stricter indoor air quality standards to protect children. 2019