Written Question·Department for Environment, Food and Rural Affairs·UIN 39814

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 he expects all areas of the UK to comply with the nitrogen dioxide annual mean 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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