London clean transport zones linked to improved child lung health

A five-year study by Queen Mary University of London involving approximately 3,500 primary school children in London and Luton indicates that clean transport initiatives have significantly improved children's lung health.

Following the implementation of London's Ultra Low Emission Zone (ULEZ), researchers observed that children in the capital began to close the developmental gap in lung function previously caused by high pollution exposure. Nitrogen dioxide (NO2) exposure in London decreased more than twice as fast as in Luton. Consequently, the annual increase in expiratory volume for London children was approximately 10 ml higher than their counterparts in Luton, and the proportion of children with clinically impaired lung function fell from one in seven to one in eleven.

Between 2019 and 2024, average concentrations of NO2 fell by 41% and PM2.5 by 28% in London. The Institute for Sustainable Economy (IZG) noted that these improvements correlate with a decrease in emergency hospitalizations, including those for cardiovascular issues. The findings emphasize the importance of high-quality, localized data when designing transport management and emission reduction zones.