One of the main sources of London’s air pollution is transport. On-road vehicles — like cars, delivery vans and trucks (lorries in UK) — are responsible for some of the most harmful air pollutants, including nitrogen oxides and particulate matter.

Building on the landmark monitoring pilot project of Breathe London, our team is using data to spotlight the city’s pollution from transport and other sources. For example, diesel fuel is an especially harmful polluter, so we zoomed in on air pollution created by diesel cars. And with partners at Google and the Waze for Cities program, we took a closer look at rising traffic congestion in different parts of London.

ULEZ Zone, London, UK

Data analyses like these demonstrate the urgent need for action to protect public health and reduce air pollution from transport. The pivotal Ultra Low Emission Zone (ULEZ) — which charges a fee for older, more polluting vehicles to enter London’s city center — provides a great foundation, but leaders need to go further by improving cycling infrastructure and better public transport connectivity.

By making data actionable, we aim to support grassroots activism and raise city-level policy ambition so all Londoners can breathe easier.

For a full list of London pollution data stories, please see here

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