Near real-time air quality monitors map

This report can be used to view and analyse air quality data across the city. The data is refreshed hourly, although there may be a time lag before recent data can be presented.

Please review our guide on data sources, capture frequency, and analysis methods before using the report. Understanding these aspects will help you make the most of our tools.

For enhanced accessibility features and translation options, visit our alternative view.

Please note. Breath London sensors funded by the Mayor of London are transitioning to a new contract and new data for those sites will remain unavailable on our reports until that process completes.