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

 CO₂ _ JBN7002 _ surface - insitu _ IAA _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-18	0018-7002-1001-01-01-9999 -2025-01-01-0018† met	The latest version
2020-06-16	0018-7002-1001-01-01-9999 -2019-11-07-1307#20† met	Included in Yearly Fixed Dataset 2024
2019-01-31	0018-7002-1001-01-01-9999 -2019-01-31-1303#15	Included in Yearly Fixed Dataset 2019
2018-08-15	0018-7002-1001-01-01-9999 -2018-07-16-1316#14	Included in Yearly Fixed Dataset 2018