2024 Yes Indoor air quality at school and students' performance: Recommendations of the UNESCO Chair on Health Education and Sustainable Development & the Italian Society of Environmental Medicine (SIMA) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7420173/ Pulimeno, Manuela Europe Exposure Modeling Carbon Dioxide (CO2) Nitrogen Dioxide (NO2) Radon Volatile Organic Compounds (VOCs) Particulate Matter (PM) Indoor air quality School Students Performance Health COVID-19 Poor indoor air quality (IAQ) in European classrooms affects health and learning, with pollutants like CO2, NO2, radon, VOCs, and particulate matter. UNESCO and SIMA recommend actions to improve IAQ, addressing both general and post-COVID-19 challenges. 2020