Written Question·Department for Environment, Food and Rural Affairs·UIN 39816

Nitrogen Dioxide: Pollution Control

Tabled: 20 March 2025

Answered: 26 March 2025

Question

Tim Farron

Liberal Democrat — Westmorland and Lonsdale

To ask the Secretary of State for Environment, Food and Rural Affairs, when each (a) city, (b)(b) zone and (c) agglomeration in England which exceeded the nitrogen dioxide annual mean limit value in 2023 will comply with that limit.

Answer

Emma Hardy

Defra uses a combination of national-scale modelling and on the ground monitoring to assess nitrogen dioxide (NO2) concentrations in England each year. Evidence shows that NO2 concentrations have reduced substantially in recent years, however a reporting ...

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