New air quality sensors to be installed around London

The video discusses National Clean Air Day, highlighting the installation of additional air quality sensors in London to monitor pollution levels. It emphasizes the health impacts of air pollution, such as stunted lung development in children and various diseases in adults. The video also details the expansion of the Ultra Low Emission Zone (ULEZ) in London, aiming to improve air quality by increasing the area covered and encouraging more vehicles to comply with emission standards.

What is the goal of the additional air quality sensors being announced?

What is the significance of the ultra low emission zone introduced in London?