This is the 2024-1 release containing data from the atmospheric network of ICOS Research Infrastructure for 39 stations and atmospheric composition at all available vertical levels at stations Birkenes, Cabauw, Gartow, Hegyhátsál, Helgoland, Hohenpeißenberg, Hyltemossa, Ispra, Izaña, Jungfraujoch, Jülich, Karlsruhe, Křešín u Pacova, La Réunion, Lampedusa, Lindenberg, Lutjewad, Monte Cimone, Norunda, OPE, Ochsenkopf, Pallas, Plateau Rosa, Puijo, Puy de Dôme, La Réunion, Ridge Hill, Saclay, SMEAR-II Hyytiälä, Station Nord, Schauinsland, Steinkimmen, Svartberget, Torfhaus, Trainou, Utö -

This is release 2023 of the final quality controlled Level 2 data from the ICOS Ocean network. This collection of 54 files was produced by labelled ICOS stations and processed following the ICOS Ocean data protocols using the QuinCe software tool (https://otc.icos-cp.eu/data-processing). The data set covers the period 1 January 2023 - 31 December 2023.