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Question follow-through · 102735

Nitrogen Dioxide: Pollution Control

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 17 April 2025 to Question 45555 on Nitrogen Dioxide: Pollution Control, which road links within 10 miles of Heathrow airport exceeded 20 micrograms per cubic

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
5 Jan 2026
Target answer date
7 Jan 2026
Answer
7 Jan 2026 · 2 calendar days after tabling

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

Votes on this topic

These Commons divisions share a topic label. The question did not necessarily lead to a vote.

Recorded timeline

  1. 5 Jan 2026

    Question tabled

    To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 17 April 2025 to Question 45555 on Nitrogen Dioxide: Pollution Control, which road links within 10 miles of Heathrow airport exceeded 20 micrograms per cubic

  2. 7 Jan 2026

    Target answer date

    Date supplied by the official written-questions record.

  3. 7 Jan 2026

    Answer published

    The results of the UK’s air quality assessment for 2024 are published online on the UK-Air website (https://uk-air.defra.gov.uk/). Local authorities are expected to publish the data from their locally managed nitrogen dioxide measurement networks on their...

Open official record

Official data retrieved 28 Sept 2026.

Later records

Possible follow-up questions

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Unreviewed candidateSame MP and department; topic relationship is unreviewed

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6 Jan 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, what the largest environmental risks are to public health in the UK.

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6 Jan 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, what assessment she has made of the effectiveness of the Clean Air Act 1956, the Clean Air Act 1968 and the Clean Air Act 1993.

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Smoke and Chimney Gases

6 Jan 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, whether her Department provides guidance on whether premises are permitted to emit visible smoke in England.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Solid Fuels: Air Pollution

6 Jan 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, what assessment she has made of the effectiveness of the Domestic Solid Fuel Regulations 2020.

Strong linkSame MP, department and exact heading

Nitrogen Dioxide: Pollution Control

6 Jan 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, which areas in the following zones her Department assesses may delay compliance with the nitrogen dioxide annual limit value beyond 2024 and until when in (i) West Midlands Urban Area;

Strong linkSame MP, department and exact heading

Nitrogen Dioxide: Pollution Control

6 Jan 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, whether any hotspots in zones other than the five zones identified in the Compliance Assessment Summary 2024 exceeded the nitrogen dioxide annual limit value in calendar 2024.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Air Pollution

6 Jan 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, How many people in each of the following regions are expected to be exposed to concentrations of fine particulate matter (PM2.5) exceeding each of (a) 5 micrograms per cubic metre (ug/

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Water Treatment

7 Jan 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, what assessment her Department has made of the levels of resilience of water treatment works.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Water Supply

7 Jan 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, how many water outage incidents have occurred in each of the last five years.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Water Supply: Infrastructure

7 Jan 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, what assessment the Department has made of the adequacy of water infrastructure investment in each of the last five years.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Water Supply

7 Jan 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, what steps the Department is taking to help tackle water scarcity.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Water Supply

7 Jan 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, what contingency plans are in place for periods of water shortage and supply outages.