Written Question·Department for Environment, Food and Rural Affairs·UIN 110355

Air Pollution: Monitoring

Tabled: 3 February 2026

Answered: 9 February 2026

Question

Tim Farron

Liberal Democrat — Westmorland and Lonsdale

To ask the Secretary of State for Environment, Food and Rural Affairs, what assessment she has made of the adequacy of data capture and analysis for air quality within England.

Answer

Emma Hardy

Assessment of data capture is a routine activity to ensure air quality monitoring meets legislative requirements (data capture of at least 85% of the measurement period (i.e. at least 85% of days in a year) is required for compliance reporting. Networks o...

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