Breathe London data

Measured data from full stationary sensor network

• 2018 NO₂ and PM_2.5 (.zip)
• 2019 NO₂ and PM_2.5 (.zip)
• 2020 NO₂ and PM_2.5 (.zip)
• 2018-2020 NO₂* (.zip)
• 2018-2020 PM_2.5* (.zip)

*Note: this file is too large to open the full dataset in Excel; please use a specialist application such as R or Python to view

Subset of measured data from stationary sensor network at “sensitive locations”

• NO₂ and PM_2.5 at hospitals (.zip)
• NO₂ and PM_2.5 at schools (.zip)

To access datasets from the mobile monitoring, please visit OpenAQ. For all other data enquiries and requests for specific datasets, please contact us.

Modelled data

Cambridge Environmental Research Consultants (CERC) produced the modelled dataset using the ADMS-Urban model as part of the Breathe London pilot project.

• London pollution sources metadata (.zip)
• NO_x source apportionment at schools (.zip)

To download the full London pollution sources dataset, please complete this form.

Measured data fully processed in accordance with the project’s final Quality Assurance and Quality Control (QA/QC) procedures. Data is GMT hour ending. Missing data is indicated with the value -999.