Children exposed to five times more harmful air pollution during school run

A new study has also found children who walked to school via back streets were exposed to the lowest levels of pollution

High levels of pollution detected by 40% of air quality sensors in London

The network found levels of pollution likely to exceed legal limits not only in central London but also outer boroughs such as Barking, Hillingdon and Kingston

New air quality monitors for 10 London hospitals

They will provide real-time air quality measurements that will enable health professionals to take appropriate action