Sadiq Khan says roadside pollutants falling faster in London than rest of UK
London's air quality improved under Mayor Sadiq Khan's tenure, with roadside pollutant levels dropping faster in the city due to the ultra-low emission zone (Ulez).
The GLA/TfL report highlights a significant reduction in NO2 pollutants in London between 2016 and 2023, with a 49% decrease despite a rise in the city's population.