We have a network of air pollution monitoring sites in and around London, and currently there are some sites with moderate or above air pollution. You can see the latest hourly air pollution indexes on an interactive map.
View Measurement Map
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Recent episode: PM10 mid January 2017
The latest in Dr Gary Fuller's pollution watch series for the Guardian newspaper.
The latest news and research from King's: View the archive
We try to answer common questions about air pollution in London, and explain how our website can keep you informed.