The overall aim of Ruisdael Observatory is to provide open and easy access to data and services to a broad user community to conduct excellent research, foster innovation and provide high-quality information for society to tackle societal challenges related to air quality, climate change and health. Ruisdael Observatory is a distributed research infrastructure in the Netherlands that provides virtual, remote and physical access to its advanced research facilities, services and products. On these pages you can find more information about (transnational) access.