Request ID: FOI-1639-2425 Date published: 13 September 2024
You asked
Please can you provide your readings for the the latest vehicle emissions in outer London
I require dates,times of day that readings were taken, what locations were they taken in and what equipment was used to take the readings
Also the same the for when you based the figures before the “hard decision “ to introduce the outer London ulez
We answered
Our Ref: FOI-1639-2425 Thank you for your request received on 22 August 2024 asking for information about emissions in Outer London. Your request has been considered under the requirements of the Environmental Information Regulations and our information access policy. I can confirm that we do hold the information you require.
Real-time air quality data across London is publicly available on the London Air Quality Network (LAQN - https://www.londonair.org.uk/ ), which includes more than 100 monitoring sites. An additional 30 sites located across London, but not part of the LAQN, are also available on the Air Quality England website (https://www.airqualityengland.co.uk ). Both websites provide detailed hourly data for all monitoring sites, as well as yearly aggregated statistics for key road transport pollutants, notably NOx (oxides of nitrogen) / NO2 (nitrogen dioxide), and PM10 / PM2.5 (particulate matter with a diameter of 10 and 2.5 micrometres respectively).
Please see the attached information sheet for details of your right to appeal. Yours sincerely Gemma Jacob Senior FOI Case Officer FOI Case Management Team General Counsel Transport for London [email protected]
