Daily cloud-modified erythemal UV index for The Netherlands / Benelux

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UV archive
overview

Clear-sky UV index:   erythemal == regular archive maps & data
 
 
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Date ranges
* using MSG data:
11 Feb 2025
-- 18 Sep 2026

* using MTG data:
12 Aug 2026
-- 18 Sep 2026

 
Related pages

at RIVM (in Dutch):
> representation of this data with a clickable map
> measurements of today's UV index in Bilthoven
at KMI (in English):
> representation of this data with a clickable map

 

Comparison with ground-based measurements
at RIVM and KNMI and at KMI

Comparison of the cloud-modified UV index with RIVM and KNMI UV index measurements is based on the higher resolution (0.05 by 0.05°) data using the location of 'De Bilt' for both institutes. As of 08 June 2026 a comparison with KMI UV index measurements in Uccle is also made. The comparisons are available up to yesterday and are computed using MSG cloud data.

From 12 August 2026 onwards, a comparison of the cloud-modified UV index using MSG and MTG cloud data is given as well.

 
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Comparisons for 09 August 2025

(click on image to enlarge)
Comparison with RIVM data Comparison with KNMI data
UV index comparison with RIVM data UV index comparison with RIVM data
 
<=== Return to the Cloud-modified UV index monitoring page 		 

 

last modified: 04 September 2026
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