Clear-sky UV index forecast
The Netherlands | Belgium | Luxembourg

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Date De Bilt Uccle Schiermonnikoog Luxembourg
UV
index		 ozone
column		 UV
index		 ozone
column		 UV
index		 ozone
column		 UV
index		 ozone
column
02 December 2022 0.5 280.7 0.6 281.9 0.4 281.1 0.7 291.3
03 December 2022 0.5 303.6 0.5 299.7 0.4 314.9 0.6 296.1
04 December 2022 0.4 320.5 0.5 316.6 0.4 324.6 0.6 310.1
05 December 2022 0.4 328.3 0.5 329.9 0.4 338.9 0.6 335.6
06 December 2022 0.4 307.7 0.5 315.5 0.4 304.2 0.6 315.5

 

UV index throughout the day in De Bilt

This graph shows the clear-sky UV index value during the day, i.e. it is assumed that there are no clouds. The vertical dashed line marks local solar noon, the moment the Sun is highest in the sky, the moment for which the daily UV index is usually communicated. The WHO recommends protection for periods when the UV index -- rounded to integer values -- is 3 of higher. This period is indicated in the graph if the daily UV index is 4.0 or higher. Times are given in UTC; for summertime (wintertime) add 2 (1) hours. The background shows the WHO UV index colours. [ PDF file ]

       Clear-sky UV index forecast for De Bilt

This graph shows the evolution of the clear-sky UV index for De Bilt: the filled red circles are the analysis values for the last two weeks, the open red circles are the forecast for today and the coming few days, the solid blue line shows the long term average, and the shaded area shows the long term minimum and maximum (data since 1 July 2002). [ PDF file ]

 

Maps

Below you find regional maps of the 9-day UV index forecast.
Download links of these maps are given as GIF and PDF files.
All maps are made with the default TEMIS colour map, while
todays map (top-left) is also given with the WHO colour map.
(see notes on the UV index colour bar).
A dedicated map of The Netherlands shows todays 'zonkracht'
(Dutch for UV index).

Data

Daily data can be downloaded in the form of HDF-4 files that
cover the whole world from a link below each map.

The full 9-day forecast is also gathered in a single netCDF file
that covers the whole world.
Sample Python tool to extract the forecast for a given location.

  Clear-sky UV index   Clear-sky UV index   Clear-sky UV index
GIF file | PDF file | HDF datafile
WHO colours: GIF file | PDF file

Zonkracht Nederland
TEMIS colours: GIF file | PDF file
WHO colours: GIF file | PDF file

GIF file | PDF file | HDF datafile
 

Zonkracht Nederland
TEMIS colours: GIF file | PDF file

GIF file | PDF file | HDF datafile
 

Zonkracht Nederland
TEMIS colours: GIF file | PDF file

  Clear-sky UV index   Clear-sky UV index   Clear-sky UV index
GIF file | PDF file | HDF datafile
 

Zonkracht Nederland
TEMIS colours: GIF file | PDF file

GIF file | PDF file | HDF datafile
 

Zonkracht Nederland
TEMIS colours: GIF file | PDF file

GIF file | PDF file | HDF datafile
 

Zonkracht Nederland
TEMIS colours: GIF file | PDF file

  Clear-sky UV index   Clear-sky UV index   Clear-sky UV index
GIF file | PDF file | HDF datafile
 

Zonkracht Nederland
TEMIS colours: GIF file | PDF file

GIF file | PDF file | HDF datafile
 

Zonkracht Nederland
TEMIS colours: GIF file | PDF file

GIF file | PDF file | HDF datafile
 

Zonkracht Nederland
TEMIS colours: GIF file | PDF file

 

last modified: 02 December 2022
data product contact: Jos van Geffen & Ronald van der A
Copyright © KNMI / TEMIS