TOAR Data Portal
The Home of Tropospheric Ozone Data
Contribute data to TOAR
Contribute to TOAR science
Top news from TOAR Data Portal

TOAR user concept
Dear TOAR-Community, An update of the TOAR database infrastructure will take place between next Monday, May 26th, and Wednesday, May 28th. This involves: improvements to the dashboard, additional metrics in the analysis service the newly developed gridding service introduction of TOAR User management and registration. Please read on to understand

New Machine Learning Method Enhances Global Air Quality Station Classification for TOAR
Dear TOAR-II community, our dear colleague Ramiyou Karim Mache and Colleagues from the Forschungszentrum Jülich, has a preprint of his work to announce. Here is a short summary of his paper: TOAR-classifier v2: A data-driven classification tool for global air quality stations A new study has developed a machine learning-based

Observational ozone data over the global oceans and polar regions: The TOAR-II Oceans data set version 2024
Dear TOAR-II community, our dear colleague Yugo Kanaya from Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Kanagawa 2360001, in Japan, has a publication of his work to announce. Here is a short summary of his paper: Observational ozone data over the global oceans and polar regions: The TOAR-II