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Welcome to O3as!
Visualize ozone trends from multiple climate prediction models


Explore API


  • April 2022

    O3as WebApp is there!

    O3as WebApp in its advanced version is out and deployed! It provides more user-friendly experience for Ozone assessment.

  • December 2020

    O3as API available

    O3as projects makes his api service available on the internet. Scientists can access to this URL to plot ozone trends based on multiple data models

  • September 2019

    EOSC Synergy starts

    An European initiative to expand the capacity and capability of the European Open Scientific Cloud (EOSC)

  • 1985

    Institut für Meteorologie und Klimaforschung

    Scientists working on the CCMI and quadrennial global assessment of ozone depletion.



O3as Web application for a plot customization and basic interactive analysis (COMING SOON!)


REST API to retrieve Ozone data according to user's requests and deliver a high-quality plot or corresponding data points.


Provides the tools to preprocess, standardize and reduce ozone data for optimal transfer


All our development is highly in details documented so users and contributors do not get lost

GitLab at SCC

Repositories are open source at GitLab maintained by the Karlsruhe Institute of Technology (KIT)

Docker Hub

Containers available at docker hub so users can deploy easily the services on it own infrastructure