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Advanced Global Atmospheric Gases Experiment Science Team(AGAGE), Atmospheric Chemistry Research Group School of Chemistry University of Bristol, Commonwealth Scientific and Industrial Research Organisation, Environment and Climate Change Canada, German Environment Agency, German Meteorological Service, Global Monitoring Laboratory, NOAA, Integrated Carbon Observation System Research Infrastructure, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Japan Meteorological Agency, Korea Meteorological Administration, Meteorological Research Institute, Nagoya University, National Institute for Environmental Studies, National Institute in Space Research, National Institute of Environmental Research, National Institute of Meteorological Research, KMA, National Institute of Water & Atmospheric Research Ltd., National Physical Laboratory, Norwegian Institute for Air Research, South African Weather Service, State Meteorological Agency of Spain, Swiss Federal Laboratories for Materials Science and Technology, Tohoku University, University of Exeter, University of Urbino, Dep. of Pure and Applied Sciences (DISPEA),

A. Matsunami (NAGOU), Alcide di Sarra (ENEA), Alessandro Bracci (ISAC), Alex Vermeulen (TNO), Andrew Manning (UEA), Antje Hoheisel (UBAG), Antti Laitinen (FMI), Arjan Hensen (TNO), Arnoud Frumau (TNO), Aurélie Colomb (LSCE), Ayoze Álvarez Hernández (AEMET), Bert Scheeren (RUG), Camille Yver-Kwok (LSCE), Carlos Torres (AEMET), Cedric Couret (UBAG), Chris Rennick (NPL), Christian Plass-Dulmer (DWD), Christina Harth (SIO), Colm Sweeney (NOAA), Cornelia Blessing (UBAG), Cosimo Fratticioli (ISAC), Dafina Kikaj (NPL), Dagmar Kubistin (DWD), Damiano Sferlazzo (ENEA), David Steger (HFSJG), Debra J. Mondeel (NOAA), Dickon Young (UNIVBRIS), Dietmar Weyrauch (DWD), Doug Worthy (ECCC), Dylan Lopez (CEA), E Kozlova (UoE), Edward Chung (NPL), Elena Zwerschke (DWD), Elise Guerette (CSIRO), Eliza Harris (HFSJG), Emmal Safi (NPL), ENYO Kazutaka (JMA), Eric Larmanou (SLU), Eunjung Kim (GERC), Francesco Monteleone (ENEA), Francescopiero Calzolari (ISAC), Frank Meinhardt (UBAG), Franz Conen (HFSJG), Gabriela Vítková (GCRI), Geoffrey S. Dutton (NOAA), Giovanni Manca (JRC), Grant Forster (UEA), Huilin Chen (RUG), J. David Nance (NOAA), Jean-Marc Pichon (LSCE), Jennifer Müller-Williams (DWD), Jens Mühle (SIO), Jgor Arduini (UNIURB), Jiyoung Kim (GERC), Joseph Pitt (UNIVBRIS), Juha Hatakka (FMI), Julia Friedli (HFSJG), Julian Grossmann (UBAG), Julie Helle (Andra), Kateřina Komínková (GCRI), Kazuhiro Tsuboi (MRI), Kentaro ISHIJIMA (MRI), Kieran Stanley (UNIVBRIS), Laszlo Haszpra (ATOMKI), Laurent Langrene (Andra), Louis-Jeremy Rigouleau (CEA), Luciana Vanni Gatti (INPE), Lukas Bäni (HFSJG), Lukas Emmenegger (HFSJG), Lynwill Martin (SAWS), Marc Delmotte (OPAR), Marcus Schumacher (DWD), Markus Leuenberger (KUP), Marta Fuente-Lastra (CEA), Martin Steinbacher (Empa), Martina Schmidt (UBAG), Matthias Lindauer (DWD), Maurizio Busetto (ISAC), Meelis Mölder (CEC), Michael Elsasser (UBAG), Michal Heliasz (CEC), Michal V. Marek (GCRI), Michel Ramonet (LSCE), Mihály Molnár (ATOMKI), Mikaell Ottosson-Löfvenius (SLU), Mirella Schreiber (UBAG), Morgan Lopez (OPAR), Nicola Arriga (JRC), Olivier Laurent (Andra), ONO Etsuro (JMA), Ove Hermansen (NILU), Pamela Trisolino (ISAC), Paolo Cristofanelli (ISAC), Paul Fraser (CSIRO), Paul Krummel (CSIRO), Paul Smith (SLU), Pedro Rivas (AEMET), Per Marklund (SLU), Peter Bergamaschi (JRC), Pim Van den Bulk (TNO), Ray F. Weiss (SIO), Ray Langenfelds (CSIRO), Ray Wang (EAS), Sabrina Arnold (DWD), Salvatore Piacentino (ENEA), SE-HWAN YANG (KMA), Shinji Morimoto (TU), Simon O'Doherty (UNIVBRIS), Simonetta Montaguti (ISAC), Stephen A. Montzka (NOAA), Sylvia Nichol (NIWA), Sándor Bán (ATOMKI), Sébastien Conil (Andra), TAKATSUJI Shinya (JMA), Tatiana Di Iorio (ENEA), Thomas Seitz (Empa), Thumeka Mkololo (SAWS), Tobias Biermann (CEC), Tobias Kneuer (DWD), Tuomas Laurila (FMI), Victor Kazan (CEA), Virgile Legendre (CEA), Vlastimil Hanuš (GCRI), Xin Lan (NOAA), Yasunori TOHJIMA (NIES), Yves-Alain Roulet (HFSJG), Zineb Mandrick (CEA), Zoë Loh (CSIRO), WDCGG; All N₂O data contributed to WDCGG by GAW stations and mobiles by 2025-09-17, (Reference date^*: YYYY/MM/DD)

* As the reference date, please indicate the date you downloaded the files.