On 18 and 19 September 2023, the third international meeting for members of the Management Committee (MC) of the Cost Action HARMONIA was held in Athens. The Action, leaded by the PMOD World Radiation Center, CH, (Dr. Stelios Kazadzis) aims to improve and homogenize aerosol retrievals by establishing a network of institutions, instrument developers, scientific and commercial end users. ISAC (Dr. Monica Campanelli) participates in the Action as leader of Working Group 2 “Aerosol measurement improvement” in which BAQUNIN is included as a multi-instrumental observatory.

During the meeting two important videos were presented “What is Harmonia-Cost?” and “HARMONIA Dance”. Both are visible on Facebook, YouTube and LinkedIn channels, typing HARMONIA COST – CA21119.