A Clean Air Zone (CAZ) is an area in the United Kingdom where targeted action is taken to improve

air quality Air pollution is the presence of substances in the Atmosphere of Earth, air that are harmful to humans, other living beings or the environment. Pollutants can be Gas, gases like Ground-level ozone, ozone or nitrogen oxides or small particles li ...

. A CAZ can be non-charging or charging. Whether a vehicle is charged when entering or moving through a CAZ depends on the type of vehicle and the Euro standard of the vehicle. The amount charged is up to the local authority responsible for the CAZ.

Ultra-low-emission vehicle An ultra-low-emission vehicle (ULEV) is a motor vehicle that emits extremely low levels of motor vehicle emissions compared to other vehicles. In some jurisdictions it is defined in law; low and ultra low emission vehicles may be given tax or oth ...

s are not charged when entering or moving through a Clean Air Zone.

Classes of charging Clean Air Zone

List of Clean Air Zones

Other emission zones

Greater London Greater London is an administrative area in England, coterminous with the London region, containing most of the continuous urban area of London. It contains 33 local government districts: the 32 London boroughs, which form a Ceremonial count ...

has a Low Emission Zone and an

Ultra Low Emission Zone The Ultra Low Emission Zone (ULEZ) is an area in London, England, where an European emission standards, emissions standard based charge is applied to non-compliant road vehicles. Plans were announced by London Mayor Boris Johnson in 2015 for ...

, covering the majority of the city ** In central London there is a Congestion Charge, a different type of charge for motor vehicles *

Oxford Oxford () is a City status in the United Kingdom, cathedral city and non-metropolitan district in Oxfordshire, England, of which it is the county town. The city is home to the University of Oxford, the List of oldest universities in continuou ...

has a Zero Emission Zone in the city centre *

Edinburgh Edinburgh is the capital city of Scotland and one of its 32 Council areas of Scotland, council areas. The city is located in southeast Scotland and is bounded to the north by the Firth of Forth and to the south by the Pentland Hills. Edinburgh ...

Glasgow Glasgow is the Cities of Scotland, most populous city in Scotland, located on the banks of the River Clyde in Strathclyde, west central Scotland. It is the List of cities in the United Kingdom, third-most-populous city in the United Kingdom ...

Aberdeen Aberdeen ( ; ; ) is a port city in North East Scotland, and is the List of towns and cities in Scotland by population, third most populous Cities of Scotland, Scottish city. Historically, Aberdeen was within the historic county of Aberdeensh ...

and

Dundee Dundee (; ; or , ) is the List of towns and cities in Scotland by population, fourth-largest city in Scotland. The mid-year population estimate for the locality was . It lies within the eastern central Lowlands on the north bank of the Firt ...

each have a Low Emission Zone in their centres

Notes

References

{{reflist

External links

Nitrogen Dioxide Emissions - Euro 6 vs Older Euro Standard Engines

Carbon Monoxide Emissions - Euro 6 vs Older Euro Standard Engines
Environmental law in the United Kingdom Air pollution in the United Kingdom Motoring taxation in the United Kingdom Electronic toll collection Road congestion charge schemes in the United Kingdom Transport policy in the United Kingdom Low-emission zones