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The Guardian - UK
The Guardian - UK
Environment
Gary Fuller

EXPLAINED: Closing classroom windows does not cut air pollution uk study finds | Vintage Vibes

Pollution Imperial College London
A school classroom
Researchers at Imperial College London said sensors and filters could cut particle pollution in classrooms by 29%. Photograph: PA Media/Alamy

Keeping the classroom window closed is not the answer to reduce the amount of pollution coming into schools, a recent study has found.

A project called SAMHE (Schools’ Air quality Monitoring for Health and Education) operated air pollution monitors in nearly 500 classrooms for an academic year and found that days with high outdoor pollution led to higher pollution inside the classrooms.

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