The TOAR database collects hourly data of long-term surface air quality measurements from over 10,000 stations globally. Harmonized access to these data is provided via the JOIN web interface.
The TOAR database collects hourly data of long-term surface air quality measurements from over 10,000 stations globally. Harmonized access to these data is provided via the JOIN web interface.
TOAR Geo-location services
[Under construction] This web service samples various geospatial datasets to obtain metadata for the characterisation of specific measurement sites.
REST:API
Contact
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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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Time-series
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