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

 N₂O _ CMN6042 _ surface - insitu _ UNIURB _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-25	0074-6042-1003-01-01-9999 -2025-01-01-0114	The latest version
2024-04-15	0074-6042-1003-01-01-9999 -2024-04-05-1020#20	Included in Yearly Fixed Dataset 2024
2021-06-25	0074-6042-1003-01-01-9999 -2021-06-21-1410#19	Included in Yearly Fixed Dataset 2023
2020-10-08	0074-6042-1003-01-01-9999 -2020-10-07-1434
2018-06-19	0074-6042-1003-01-01-9999 -2018-04-19-0909#16	Included in Yearly Fixed Dataset 2020