The Sustainable Atmospheric Environment Research Facility drives scientific innovation to support the national ‘dual carbon’ strategy and promotes the integration of environmental policies in the Guangdong-Hong Kong-Macao Greater Bay Area. Utilizing state-of-the-art facilities and expert teams, we conduct in-depth research on air pollution and its sources, providing critical support for improving air quality and formulating comprehensive environmental policies. By reducing pollution and carbon emissions, we foster sustainable economic and social development in the Greater Bay Area, committed to creating a cleaner and more beautiful future environment.