London air pollution deaths drop 40% as ULEZ credited, but health risks remain higher than thought, study finds
By
Gwyn Topham
Summary
A study by Imperial College London estimates that deaths linked to air pollution in London fell by 40% between 2019 and 2024, coinciding with the expansion of the city's ultra-low emission zone (ULEZ). Nitrogen dioxide levels dropped 41% and fine particulate pollution fell 28%. However, researchers also found that the health impacts of air pollution are greater than previously understood, meaning the absolute health burden remains significant despite the improvements.
Source
bskyLondon air pollution deaths drop 40% as ULEZ credited, but health risks remain higher than thought, study findstheguardian.comKey quotes
· 3 pulledDeaths linked to air pollution fell by an estimated 40% in London over the five years from 2019
The city's mayor, Sadiq Khan, welcomed what he called 'overwhelming evidence' that his ultra-low emission zone was saving lives
Imperial's researchers said updated scientific evidence showed that the impact of air pollution on health was greater than previously understood
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