Data: Identification of sources of methane in Ho Chi Minh City, Vietnam

Data for the manuscript "Identification of sources of methane in Ho Chi Minh City, Vietnam". Includes methane, ethane, δ13C and δ2H data collected by Royal Holloway University of London during a mobile measurement study in 2023. Also included are methane data from 2018/2019 from a fixed site in Ho Chi Minh City were collected by University of East Anglia. Measurements made possible by and in collaboration with Faculty of Environment, University of Science, Ho Chi Minh City, Vietnam/Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam.