I would like some information regarding the current pollution levels in Archway , specifically St Johns way . Under the freedom of information act , I would like to know the level of recorded air pollution both before and after the gyratory.

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TfL Ref: FOI-0294-1920

Thank you for your email received by Transport for London (TfL) on 26 April 2019.

Your request has been considered in accordance with the requirements of the Environmental Information Regulations (EIR) and our information access policy. You asked:

I would like some information regarding the current pollution levels in Archway, specifically St Johns way .

Under the freedom of information Act, I would like to know the level of recorded air pollution both before and after the gyratory.

Unfortunately we do not hold the information you have requested. We do not hold air pollution monitoring figures for pre and post the Archway gyratory project.

TfL carried out an initial Environmental Evaluation followed by more detailed assessments in advance of construction, such as modelling the predicted impact on air quality. The evaluation included the following summary;

“In the 2020 scenario, which accounts for the operation of the London ULEZ through the emissions of buses that operate in both the ULEZ and around the Archway Gyratory, there is an adverse change to annual mean NO2 concentrations at 12 selected locations around the Archway Junction. There will be 14 locations where there is predicted to be a beneficial change and 4 locations where there is predicted to be a negligible change”.

A copy of the Environmental report is also attached for your perusal.

Please note that in accordance with TfL’s obligations under the Data Protection legislation some personal data has been removed, as required by Regulation 13 of the Environmental Information Regulations. This is because disclosure of this personal data would be a breach of the legislation, specifically the first principle of the legislation, which requires all processing of personal data to be fair and lawful. It would not be fair to disclose this personal information when the individuals have no expectation it would be disclosed and TfL has not satisfied one of the conditions of Schedule 2 which would make the processing ‘fair’.

Locations of air quality monitoring across London can also be found online through the following link:

https://maps.london.gov.uk/air-quality/

You may also find useful information via the following links:

https://www.london.gov.uk/what-we-do/environment/pollution-and-air-quality

https://data.london.gov.uk/dataset/london-average-air-quality-levels

https://www.london.gov.uk/sites/default/files/air_quality_monitoring_guidance_january_2018.pdf

Please see the attached information sheet for details of your right to appeal.

Yours sincerely

Eva Hextall

FOI Case Officer

FOI Case Management Team

General Counsel

Transport for London

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