Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, what comparative assessment she has made of his Department's (a) targets, (b) requirements and (c) performance standards for ambient air pollution and the World Health Organisation's Air Quality Guidelines.

The World Health Organisation’s Air Quality Guidelines inform our approach to improving public health. We remain committed to continuous improvement and the WHO guidelines will continue to inform our evidence when considering next steps.