Breathe London AQMesh pods

Published by:
Greater London Authority
Last updated:
17 August 2023
Topic:
Not added
Licence:
None

Summary

The Breathe London stationary network is made up of 100 AQMesh pods, each containing a collection of small sensor-based air quality monitors that offer near real-time localised air quality information. They measure nitrogen dioxide (NO₂) and nitric oxide (NO) using electrochemical sensors; particulate matter (PM) in various size cuts (PM₂.₅ and PM10 are reported) using a light-scattering optical particle counter; and carbon dioxide (CO₂) using a non-dispersive infrared absorbance sensor. In some locations, the pods measure ozone (O3), also using electrochemical sensors. The pods measure temperature, humidity and air pressure for the purposes of correction for environmental conditions. Each sensor pod is set up to collect data continuously for 10-second intervals and to create an average every 1-15 minutes, synchronised to the top of each hour.

More information can be found on the Breathe London website.

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monitoring_data CSV 10 January 2020 Preview
meta_data CSV 27 December 2019 Preview

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