The First International Scientific Conference on Chemical Weather and Chemical Climate (CWCC 2023), a premier platform for addressing the challenges of weather, climate, atmospheric environment and their impacts, was held on October 16-20 2023 in Shanghai, China. Bringing together around 400 distinguished researcher, students, early career scientists, policymakers, and stakeholders from 15 countries, the event fostered collaboration, advance science and knowledge exchange on various critical topics related to climate change mitigation, adaptation, air quality, and its impacts on sustainable development, including human health.

This Chair's Report is a compilation reflecting the latest advancements in relevant scientific disciplines and a culmination of thorough exchanges during various sessions and side events, integrating key points from invited presentations and participant discussions.