World Ozone and Ultraviolet Radiation Data Centre (WOUDC)

Global archive of ground-based ozone and UV data products

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The World Ozone and Ultraviolet Radiation Data Centre (WOUDC) is one of the World Data Centres which are part of the Global Atmosphere Watch (GAW) programme of the World Meteorological Organization (WMO). The WOUDC, which began in 1962, is operated by Environment Canada and is located in Toronto.

Learn more about the WOUDC.

The WOUDC contains ozone and UV data measured by instruments located on ground-based, shipborne or airborne platforms.

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The Ozone data archive contains the following data categories:

• Lidar vertical profiles
• Ozonesonde vertical profiles
• Total column ozone (Daily and Monthly values)
• Umkehr N-value and retrieved vertical profiles.

The UV data archive contains the following data categories:

• Broad-band
• Multi-band
• Spectral

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