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Somewhat related: Fine particles (PM2.5) pollution in subway stations can be 30 times higher than in the urban roadside air above ground. https://www.theguardi
by sampo 7y ago
Somewhat related: Fine particles (PM2.5) pollution in subway stations can be 30 times higher than in the urban roadside air above ground.
https://www.theguardian.com/uk-news/2019/jan/09/london-underground-air-pollution-report-concerns-northern-line-particulates https://www.theguardian.com/uk-news/2019/jan/09/london-under...
- Havoc 7y agoYeah you can sometimes see it in the tunnels. One really should be able to see pollution in like 20 meters of air...