This map shows the official measurements of Nitrogen Dioxide gas air pollution measured by Merton Councils over the years 2017-2024 (provisional 2024 data). The colour coding is based on World Health Organisation recommendations of safe air quality and improvement standards. School locations are shown with a cross, blue for primary, green for secondary.

This map shows the official measurements of Nitrogen Dioxide gas air pollution measured by Merton Councils over the years 2017-2024 (provisional 2024 data). The colour coding is based on World Health Organisation recommendations of safe air quality and improvement standards.

This map shows the official regulatory, measurements of Nitrogen Dioxide gas air pollution measured by Wandsworth Council over the years 2017-2023 and the data for 2024 up to and including October. The colour coding is based on World Health Organisation recommendations of safe air quality and improvement standards. Measurements are made using Diffusion Tubes, with quality control corrections based on a local automatic monitor, except for the 2024 data for which QC cannot be completed until Spring 2025. The mapping system is a prototype, not all functionality is 100% reliable.

This map shows the official measurements of Nitrogen Dioxide gas air pollution measured by Merton, Richmond and Wandsworth Councils over the years 2017-2023. The colour coding is based on World Health Organisation recommendations of safe air quality and improvement standards.

This map shows the official measurements of Nitrogen Dioxide gas air pollution measured by Wandsworth Council over the years 2017-2023. The colour coding is based on World Health Organisation recommendations of safe air quality and improvement standards.

This map shows the official measurements of Nitrogen Dioxide gas air pollution measured by Merton Council over the years 2017-2023. The colour coding is based on World Health Organisation recommendations of safe air quality and improvement standards.

This map shows the official measurements of Nitrogen Dioxide gas air pollution measured by Richmond Council over the years 2017-2023. The colour coding is based on World Health Organisation recommendations of safe air quality and improvement standards.