Copyright Text: Digitised for the Teddington Direct River Abstraction project from the following reports: London Borough of Hounslow Air Quality Annual Status Report for 2022 (Date of publication 31st May 2023); London Borough of Richmond upon Thames Air Quality Annual Status Report for 2022 (Date of publication: 26th May 2023); Royal Borough of Kingston upon Thames Air Quality Annual Status Report for 2022 (Date of publication: 20 September 2023).