2024 Yes Assessment of children's exposure to carbonaceous matter and to PM major and trace elements https://www.sciencedirect.com/science/article/pii/S004896972106099X?via%3Dihub Faria, T. Europe Exposure Elementary (K-5) Particulate Matter (PM) Heavy metals Exposure Dose assessment particulate matter Mass closure Air quality Children’s daily PM exposure and inhaled dose were highest at home and school. Schools had the highest indoor PM levels, linked to dust resuspension and chalk. Outdoor particles contributed more to inhaled dose than exposure. Indoor air quality is critical. 2022