Do air pollution masks work? – in C&EN

Air pollution is a growing concern in cities around the world, and seeing people on the streets wearing masks to block air pollution is increasingly common. What exactly are these masks intended to block – and more importantly, do they actually work? This month’s graphic in C&EN has the answers.

https://www.compoundchem.com/2019/02/18/do-air-pollution-masks-work-in-cen/