‘We need to be doing a lot more’: London car pollution at greatest levels since start of pandemic

London councils are cracking down on drivers as concentrations of nitrogen dioxide (NO2) - an air pollutant created mostly from cars -reach their greatest levels since the start of the pandemic.Boroughs including Lambeth and Hammersmith & Fulham have introduced traffic control measures after NO2 levels there rose well above revised World Health Organisation (WHO) recommendations this year, putting residents’ health at risk.