Here is a guide from the joint U.K. teaching unions on how to conduct an air audit for the classroom (can also be applied in any room). Teachers please please do not underestimate the impact you can have on your students health by following this guide. neu.org.uk/sites/defaul...

If you are a school consider signing up to @smartairuk.bsky.socialdocs.google.com/forms/d/e/1F...