Finding F-1031

“Between 10:30 and 12:20, during which the children engaged in outdoor activities, indoor CO2 concentrations considerably decreased to 585 ppm.”

Lee et al. Strategies for Effective Management of Indoor Air Quality in a Kindergarten: CO2 and Fine Particulate Matter Concentrations (2023). Page 8. CKB 0351

Structure

Factor: Carbon dioxide (CO₂)
Population: preschool children
Setting: kindergarten classroom, KR (from 10:30 to 12:20, during outdoor activities)
Study design: measurement and modelling study in a kindergarten in Korea: carbon dioxide and PM2.5 logged in two classrooms through the daily programme, with mechanical ventilation and window opening recorded and the required airflow calculated (class 4)
Effect: other 585

A Finding records what one published document states, verbatim and with its page. It is not a conclusion of Coridum; see the Claims that build on it.