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Daily averaged UV-index in 5 latitude bands compared with the two previous years, for the last 30 days and the whole year.
The NUV/CLEAR and NUV/CLOUD is shown together with most recent groundbased measurement for a few locations. Archive data is available.
The operational NUV/CLEAR based on ATO GOME-2 from METOP-B is compared to the results using ATO GOME-2 from METOP-A, first data 2013-05-03.
Based on the ATO input error field and assumed values on the accuracy of the climatologies the precision of the UV index is calculated,