Classroom air cleaners put to the test in 180 dutch schools
Knowledge-focused
Completed
This study tested whether portable air cleaners can make classroom air healthier for children. Researchers placed HEPA filter or ionization air cleaners in some classrooms and compared them to classrooms without any cleaner. They measured germs, dust, and particles in the air ove…
Phase: NA • Sponsor: Lidwien Smit • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:02 UTC