Welcome to the WDCGG Web Site
The World Data Centre for Greenhouse Gases (WDCGG) is one of the WDCs under
the GAW programme. It serves to gather, archive and provide data on greenhouse
gases (CO2, CH4, CFCs, N2O, surface ozone, etc.) and related gases (CO, NOx,
SO2, VOC, etc.) in the atmosphere and ocean, as observed under GAW and other
This web site provides information on greenhouse gases, including
WDCGG publications and measurement data contributed by
organizations and individual researchers around the world.
If you would like to submit data for the first time, please refer to the
WDCGG Data Submission and Dissemination Guide.
Please let us know if you would like to obtain older versions of archived data.
The WDCGG starts operation as DCPC (Data Collection or Production Centre) of WMO Information System.
Note:On any publication using data from the individual station, the author must contact the data submitters concerning co-authorship or acknowledgements, and make proper descriptions on the data sources in their references.
The global mean mole fraction data are now available: Global mean mole fractions (17 July 2013)