Air pollution levels recorded on Friday 3 July 2009, 22:00-23:00BST
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| Low (1-3) | Moderate (4-6) | High (7-9) | Very High (10) | No Data | Closed |
These are the web pages of the London Air Quality Network and contain information about air quality in and around Greater London.
Measurements are collected either hourly or twice daily from continuous monitoring sites, processed and checked then placed on this web
site with an hourly update.
This map shows the latest pollution levels as recorded at pollution monitoring sites across Greater London.
Click on a dot to find out more information about that monitoring site, or select another bulletin using the panel to the left.
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