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

 CO₂ _ WES6010 _ surface - insitu _ UBAG _ data2

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-24	0071-6010-1001-01-01-9998 -2025-01-01-0111† met	The latest version
2024-07-24	0071-6010-1001-01-01-9998 -2024-07-18-0808#20† met	Included in Yearly Fixed Dataset 2024
2023-07-19	0071-6010-1001-01-01-9998 -2023-07-10-1127#19† met	Included in Yearly Fixed Dataset 2023
2022-05-11	0071-6010-1001-01-01-9998 -2022-05-03-1144#18† met	Included in Yearly Fixed Dataset 2022
2022-04-20	0071-6010-1001-01-01-9998 -2022-04-13-0502