Written questions

Nitrogen Oxides: Pollution Control

Commons · Question 21149 · Tabled 18 Dec 2024 · Department for Environment, Food and Rural Affairs · Official record

Answered 6 Jan 2025

Question

Asked by Carla Denyer

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 15 October 2024 to Question 7788 on Air Pollution, what guidance his Department provides on safe limits of NOx.

Answer

Answered by Emma Hardy, 6 Jan 2025

The Air Quality Standards Regulations (2010) set a limit of 40µg/m³ for the annual average concentration of NO₂ (a component of NOx). This threshold, determined with consideration of pertinent health guidelines, aims to safeguard human health. NOx is exte...