The final HARMONIA COST Action (CA21119) meeting, held in Helsinki on 3-4 September 2026, brought together members to present the Action’s achievements, collaborations, and future steps. Two ATARRI members presented their associated research work, highlighting how their involvement in HARMONIA and the Action’s collaborations, expertise, and networking opportunities contributed to the development and advancement of their work. More specifically, Georgia Charalampous, alongside her involvement in the COST Action, presented her research on UV Index monitoring and forecasting in Cyprus, and the effects of ozone, aerosols, and clouds. Additionally, Aspasia Pallikaridou presented her collaborative work with PMOD on the assessment of EarthCARE MSI and ATLID aerosol products.
