Written Question·Department for Environment, Food and Rural Affairs·UIN 91926

Nitrogen Dioxide: Pollution Control

Tabled: 18 November 2025
Answered: 25 November 2025

Question

Tim Farron

Liberal DemocratWestmorland and Lonsdale

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the answer of 8 July 2025 to UIN 63555, which localised hotspots in which reporting zone in (a) England, (b) Northern Ireland, (c) Scotland and (d) Wales are delaying compl

Answer

Emma Hardy
Local authorities are expected to publish the data from their locally managed nitrogen dioxide measurement networks on their websites. Data from Defra-managed networks is published annually online at UK-Air as part of the national compliance assessment.