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

 O₂/N₂ ratio _ AOA8002 _ aircraft - flask _ AIST _ data1

Updated Date	Version † met : with meteorological data	Details
2024-12-25	0006-8002-7001-05-02-9999 -2025-01-01-0006	The latest version
2023-08-16	0006-8002-7001-05-02-9999 -2023-08-15-1832	Included in Yearly Fixed Dataset 2024
2023-06-07	0006-8002-7001-05-02-9999 -2023-06-06-1158
2021-09-22	0006-8002-7001-05-02-9999 -2021-09-16-1302	Included in Yearly Fixed Dataset 2022