London air pollution  – annual legal limits already breached

An area of south London breached the annual legal limit for toxic nitrogen dioxide after just a month of 2018.

High NO2 levels are estimated to cause about 23,500 early deaths a year across the country.

https://www.theguardian.com/environment/ng-interactive/2018/jan/01/london-air-pollution-live-data-where-will-be-first-to-break-legal-limits-in-2018