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 
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...
Nitrogen Dioxide: Pollution Control