The story seems to be about England, but the monitors are being rolled out to other areas as well by the other departments. For example, Northern Ireland [0], a

The story seems to be about England, but the monitors are being rolled out to other areas as well by the other departments. For example, Northern Ireland [0], and Scotland [1],[2]. It's anecdotal, but the monitors have started to arrive in my kids schools here in Northern Ireland. [0] - BBC News - https://www.bbc.co.uk/news/uk-northern-ireland-58790302 https://www.bbc.co.uk/news/uk-northern-ireland-58790302 [1] - Scottish Parliament Report - https://www.parliament.scot/chamber-and-committees/committees/current-and-previous-committees/session-6-education-children-and-young-people-committee/correspondence/2021/learning-estate-co2-monitoring https://www.parliament.scot/chamber-and-committees/committee... [2] - Scottish COVID guidance for schools - https://education.gov.scot/media/ttkbrnde/reducing-risks-in-schools-guidance-version-7-2-05-01-21.pdf https://education.gov.scot/media/ttkbrnde/reducing-risks-in-... (edited to break up the links)