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

 N₂O _ GSN2025 _ surface - insitu _ KMA _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-24	0039-2025-1003-01-01-9999 -2025-01-01-0039† met	The latest version
2024-07-18	0039-2025-1003-01-01-9999 -2024-06-27-0750#20† met	Included in Yearly Fixed Dataset 2024
2023-08-10	0039-2025-1003-01-01-9999 -2023-08-01-1133#19	Included in Yearly Fixed Dataset 2023