Created 4 years ago, updated a year ago

Spatial dataset of diffusion tubes used to assess the levels of nitrogen dioxide at road or near to the roadside within Durham.

Please see http://www.durham.gov.uk/airquality for more information.

From
07/11/2019
To
07/11/2019

From
17/01/2017
To
17/01/2017

From
04/10/2018
To
04/10/2018