2024 No Air Pollution, Student Health, and School Absences: Evidence from China https://doi.org/10.1016/j.jeem.2018.10.002 Chen, Siyu Asia Epidemiological Observational Modeling Students Elementary (K-5) Middle/Jr High (6-8) High School (9-12) Particulate Matter (PM) Ozone (O3) Sulfur dioxide (SO2) Carbon Monoxide (CO) Absenteeism Respiratory symptoms Air pollution Student health school absences China Air quality standards Using data from 3,000+ schools in China, study linked daily air pollution and temperature inversions to respiratory illnesses and student absences. Results showed harmful effects even below air quality standards, highlighting need for stronger environmental policies to protect children’s health and attendance. 2018