TOAR Data Portal

The Home of Tropospheric Ozone Data

TOAR-II Manuscript Scoping Event

16 November - 19 November 2021
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TOAR-II 2020 Quickstart

Register for the TOAR-II Quickstart Event of 2020 on Sep 16, 2020 (12:00-13:30 UTC)
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The TOAR database of surface observations is the biggest collection of tropospheric ozone data in the world.

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Top news from TOAR Data Portal:


TOAR as EOSC Champion!

The TOAR data centre is applying to become an EOSC champion, where researchers from all scientific fields will be closely supporting the co-design of EOSC.

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TOAR in IGAC 2021

During the IGAC 2021 Virtual Conference held from the 13th to the 17th of September, the TOAR data centre is presenting a poster on the

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