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Railways: Strikes

Question for Department for Environment, Food and Rural Affairs

UIN 23318, tabled on 22 June 2022

To ask the Secretary of State for Environment, Food and Rural Affairs, if his Department will make an assessment of the potential impact of the RMT strikes on 21 June 2022 on levels of air pollution in London.

Answered on

1 July 2022

Each year Defra undertakes an air quality assessment across all zones in the UK, including London. This latest report is available here:

Changes in transport trends across the UK are considered in our modelling of ambient concentrations, used to supplement our monitoring network in our annual compliance assessments. Monitoring data in London is uploaded and available in near real-time on UK-Air (

The impacts of changes in transport activity on the emissions of air pollutants will also be reflected in our National Atmospheric Emissions inventory.