Deaths linked to London air pollution have fallen 40%, study estimates

The report did not single out the Ulez but Sadiq Khan welcomed it as evidence that his policy was saving lives. Photograph: Yui Mok/PA

Deaths linked to air pollution fell by an estimated 40% in London over the five years from 2019, according to new analysis.

The city’s mayor, Sadiq Khan, welcomed what he called “overwhelming evidence” that his ultra-low emission zone was saving lives.