An Ultra Low Emission Zone (ULEZ) was introduced in April 2019 within the same area of central London as the Congestion Charge.
It currently operates 24 hours a day, seven days a week, every day of the year, except Christmas Day.
The daily charge runs between midnight and midnight so vehicles travelling into the zone before midnight and leaving after midnight will need to pay for two days.
Most vehicles, including cars and vans, need to meet the ULEZ emissions standards or their drivers must pay a daily charge to drive within the zone.
However, Mayor of London Sadiq Khan announced a controversial expansion of the scheme which will see the Ulez charge cover all of London’s 32 boroughs. It will mean that, after August 2023, all cars that do not meet European emissions standards will have to pay a £12.50 charge every day to drive in London.