Spatial dataset of diffusion tubes used to assess the levels of nitrogen dioxide at road or near to the roadside within Durham. Please see https://www.durham.gov.uk/airquality for more information.
Nitrogen Dioxide Diffusion Tube Network 2022
Nitrogen Dioxide Diffusion Tube Network 2020
Nitrogen Dioxide Diffusion Tube Network 2019
Nitrogen Dioxide Diffusion Tube Network 2017
Nitrogen Dioxide Diffusion Tube Network 2018