Last Friday, air quality in the capital was worse than in Beijing, driven by a toxic combination of high atmospheric pressure and low winds. It was bad enough that Londoners were advised to reduce outdoor physical exertion.
Filthy air is a danger to all of us, but especially children and those with respiratory conditions. Sadiq Khan has rightly made ridding our city of dangerous pollution a priority, most notably with the plan to expand the Ultra-low emission zone to the entirety of Greater London.
