FOI request detail

air quality 4000 deaths

Request ID: FOI-3448-2223
Date published: 12 April 2023

You asked
I keep hearing radio adverts from TFL regarding proposed ulez expansion from 29th August this year that state air pollution in London is causing 4000 deaths per year, air quality in outer London is in constant breach of WHO guidelines and that the air inside car cabins is toxic. Please can you therefore provide the evidence to back up these alarming claims?

We answered

TfL Ref: 3448-2223

Thank you for your request received by Transport for London (TfL) on 21 March 2023 asking for information about the ULEZ expansion.

Your request has been considered in accordance with the requirements of the Environmental Information Regulations (EIR) and our information access policy. I can confirm that we hold the information you require.

We have already answered this question and our published response is available on our website at the following link: https://tfl.gov.uk/corporate/transparency/freedom-of-information/foi-request-detail?referenceId=FOI-2845-2223

If this is not the information you are looking for, or if you are unable to access it for any reason, please do not hesitate to contact me.

Please see the attached information sheet for details of your right to appeal as well as information on copyright and what to do if you would like to re-use any of the information we have disclosed.

Yours sincerely


Sara Thomas
FOI Case Management Team
General Counsel
Transport for London

Back to top

Want to make a request?

We'll email you the response within 20 working days.


We'll publish the response online without disclosing any personal information.

Make a request

Something wrong with this request?


If you believe this request is not suitable, you can report it for attention, at foi@tfl.gov.uk