Finding · as stated by the study, recorded by Coridum · status verified-machine

Finding F-1526

“Lower CO2 levels were found in classrooms in spring (908 ppm) than in winter (2206 ppm).”

Indoor air quality in naturally ventilated Italian classrooms (2015). Atmosphere. Page 2. CKB 0015

Structure

Factor
Carbon dioxide (CO₂)
Setting
classroom, IT
Study design
measurement campaign in five naturally ventilated Italian classrooms: particle mass and number, black carbon and carbon dioxide measured indoors and outdoors in winter and in spring during lessons (class 4)
Effect
mean 2206
Caveat
naturally ventilated classrooms, so the season decides the window use

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.