We have our website renewed on 31 August 2018 and the URL of the new website is following.
https://gaw.kishou.go.jp/
Since we stopped updating data on this website, please visit above for checking current information.
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WDCGG Data Submission and Dissemination Guide (PDF 1.2Mbyte)

WDCGG leaflet (PDF 2.7MByte, July 2008)

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Parameter   
13CH4  13CO2  14CO2  222Rn  C18O2  C2Br2F4  C2Cl4  
C2HCl3  CBrClF2  CBrF3  CCl4  CFCs  CH2Br2  CH2Cl2  
CH3Br  CH3CCl3  CH3Cl  CH3D  CH3I  CH4  CHBr3  
CHCl3  CO  CO2  H2  H2O2  HCFCs  HFCs  
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Additional criteria (only for CO2, CH4 or N2O)
 
The technical document "Global Analysis Method for Major Greenhouse Gases by the World Data Centre for Greenhouse Gases (pdf 2.2Mbytes) " should be referred to for the details on the WDCGG Global Analyses
 
traceable to WMO standard scale    used for the latest WDCGG Global Analysis
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Updated in the last 365 days   
Fixed station    Air sampling observation (Ground base)
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Air sampling observation for vertical profile
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This site is operated by the Japan Meteorological Agency
in cooperation with the World Meteorological Organization
(Created : 2001/07/02    Updated : 2018/08/31)
WMO World Data Centre for Greenhouse Gases
c/o Japan Meteorological Agency
1-3-4, Otemachi, Chiyoda-ku
Tokyo 100-8122, Japan
Tel: +81-3-3287-3439
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