This is just an expansion of the existing ULEZ which has had a fairly positive effect since it was introduced in 2016: https://www.london.gov.uk/sites/default/f

This is just an expansion of the existing ULEZ which has had a fairly positive effect since it was introduced in 2016: https://www.london.gov.uk/sites/default/files/air_quality_in_london_2016-2020_october2020final.pdf https://www.london.gov.uk/sites/default/files/air_quality_in...