Question follow-through · 21149

Nitrogen Oxides: Pollution Control

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.

answeredDepartment for Environment, Food and Rural Affairs

About this written question

A written question asks a government minister for information in writing. Parliament publishes the question and any answer.

Answering body
Department for Environment, Food and Rural Affairs
Tabled
18 Dec 2024
Target answer date
6 Jan 2025
Answer
6 Jan 2025 · 19 calendar days after tabling

Elapsed calendar days describe the record timeline, not whether Parliament considers an answer on time.

More questions by this MP on Environment and energy

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Recorded timeline

  1. 18 Dec 2024

    Question tabled

    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.

  2. 6 Jan 2025

    Target answer date

    Date supplied by the official written-questions record.

  3. 6 Jan 2025

    Answer published

    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...

Open official record

Official data retrieved 27 Sept 2026.

Later records

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