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

 CH₄ _ ZEP6001 _ surface - insitu _ NILU _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-24	0054-6001-1002-01-01-9999 -2025-01-01-0054	The latest version
2023-06-20	0054-6001-1002-01-01-9999 -2023-06-14-1041#20	Included in Yearly Fixed Dataset 2024
2022-07-19	0054-6001-1002-01-01-9999 -2020-06-23-1824#18	Included in Yearly Fixed Dataset 2022