See the data version history.
The data of old versions are available only if the versions are included in Yearly fixed datasets.

 CO₂ _ COI2008 _ surface - insitu _ NIES _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-24	0053-2008-1001-01-01-9999 -2025-01-01-0053	The latest version
2023-07-21	0053-2008-1001-01-01-9999 -2023-06-29-0239#20	Included in Yearly Fixed Dataset 2024
2022-06-22	0053-2008-1001-01-01-9999 -2022-06-22-1014#18† met	Included in Yearly Fixed Dataset 2022
2020-06-04	0053-2008-1001-01-01-9999 -2020-02-28-1411#17† met	Included in Yearly Fixed Dataset 2021
2020-02-26	0053-2008-1001-01-01-9999 -2019-11-07-1628† met
2019-03-06	0053-2008-1001-01-01-9999 -2019-03-06-1319#15	Included in Yearly Fixed Dataset 2019
2018-08-13	0053-2008-1001-01-01-9999 -2018-05-23-1435#14	Included in Yearly Fixed Dataset 2018