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

Finding F-0044

“Significant variations were observed in indoor PM10 concentrations during classroom occupancy (up to 230 µg m−3 ) vs. non-occupancy (up to 19 µg m−3 ) days, finding levels higher than outdoor ones.”

Alonso-Blanco et al. Indoor Air Quality at an Urban Primary School in Madrid (Spain): Influence of Surrounding Environment and Occupancy (2024). Int J Environ Res Public Health. Page 1. CKB 1283

Structure

Factor
Particulate matter (PM₂.₅ and PM₁₀)
Setting
school
Study design
measurement campaign in one urban primary school classroom in Madrid, indoor and outdoor, occupancy vs. non-occupancy days (class 4)

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.