Report of the Tenth Meeting of the Ozone Research Managers of the Parties to the Vienna Convention for the Protection of the Ozone Layer - WMO Global Ozone Research and Monitoring Project Report No. 57

This report documents the proceedings and outcomes of the tenth meeting of ozone research managers convened under the Vienna Convention for the Protection of the Ozone Layer. It reviews ongoing national and international activities related to monitoring, research, and data management concerning atmospheric ozone and ultraviolet radiation. The document outlines presentations and discussions on observation systems, satellite and ground-based measurement networks, modelling approaches, and long-term datasets used to analyse ozone variability and recovery. It also compiles national reports describing monitoring infrastructure, measurement methods, data dissemination practices, and research programmes. The report highlights coordination among scientific institutions and international programmes, emphasising sustained observations, improved data quality, capacity development, and strengthened collaboration to support assessments of ozone changes and their interaction with climate processes.