London's ULEZ Expansion Achieves Significant Air Quality Improvements
New report shows a substantial reduction in harmful pollutants following the expansion of the Ultra-Low Emission Zone to outer London.
- Nitrogen oxides (NOx) emissions from cars in outer London dropped by 13% since the ULEZ expansion.
- Van emissions of NOx decreased by 7%, equivalent to removing 200,000 cars from the road for a year.
- PM2.5 particulate pollution from car exhausts in outer London fell by 22%.
- Compliance rates for ULEZ standards rose to over 96% for cars and nearly 89% for vans.
- The ULEZ expansion has brought cleaner air to millions, with air quality improvements exceeding initial targets.
The Guardian 
Evening Standard 
The Independent 