2024 No Indoor PM2.5 concentrations and students’ behavior in primary school classrooms https://doi.org/10.1016/j.jclepro.2021.128460 Zhou, Yuhe Asia Exposure Modeling Students Elementary (K-5) Particulate Matter (PM) Temperature Humidity Indoor PM2.5 Symbolic regression students’ behavior Indoor PM2.5 was monitored in primary classrooms in North China for one year. Symbolic regression models quantified the effect of student behavior on pollution spikes. Findings support managing activity patterns to reduce PM2.5 exposure in schools. 2021