Ultraviolet index

Ultraviolet index - measurement of strength of sunburn-producing ultraviolet (UV) radiation. Article “Ultraviolet index” in English Wikipedia has 46.5 points for quality (as of July 1, 2026). The article contains 36 references and 7 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

In June 2026 the article “Ultraviolet index” was edited by 1 authors in English Wikipedia and written by 8 authors in all languages.

Since the creation of article “Ultraviolet index”, its content was written by 218 registered users of English Wikipedia and edited by 671 registered Wikipedia users in all languages.

The article is cited 700 times in English Wikipedia and cited 1339 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #9111 in June 2015
• Global: #10847 in July 2013

The highest popularity rank from 2008:

• Local (English): #4726 in June 2019
• Global: #3309 in June 2019

There are 32 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Ultraviolet index		46.4598
2	German (de) UV-Index		40.2606
3	Persian (fa) شاخص فرابنفش		34.5009
4	Serbian (sr) Ултраљубичасти индекс		34.3456
5	Catalan (ca) Índex de radiació ultraviolada		33.3174
6	Russian (ru) Ультрафиолетовый индекс		32.0041
7	Ukrainian (uk) Ультрафіолетовий індекс		31.1839
8	Croatian (hr) UV indeks		29.7521
9	Thai (th) ดัชนีรังสีอัลตราไวโอเลต		28.6364
10	Japanese (ja) UVインデックス		26.9206

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "Ultraviolet index" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Ultraviolet index		4 781 492
2	German (de) UV-Index		1 589 894
3	French (fr) Indice UV		947 123
4	Spanish (es) Índice UV		807 268
5	Italian (it) Indice UV		276 172
6	Dutch (nl) Zonkracht		275 472
7	Chinese (zh) 紫外线指数		267 436
8	Polish (pl) Indeks UV		262 728
9	Russian (ru) Ультрафиолетовый индекс		236 635
10	Arabic (ar) مؤشر الأشعة فوق البنفسجية		164 387

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Ultraviolet index" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Ultraviolet index		35 304
2	German (de) UV-Index		13 077
3	French (fr) Indice UV		7 101
4	Russian (ru) Ультрафиолетовый индекс		2 401
5	Italian (it) Indice UV		1 613
6	Polish (pl) Indeks UV		1 569
7	Chinese (zh) 紫外线指数		1 261
8	Spanish (es) Índice UV		1 140
9	Czech (cs) UV index		883
10	Finnish (fi) UV-indeksi		797

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Ultraviolet index" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Ultraviolet index		218
2	German (de) UV-Index		90
3	French (fr) Indice UV		50
4	Dutch (nl) Zonkracht		39
5	Spanish (es) Índice UV		30
6	Italian (it) Indice UV		22
7	Polish (pl) Indeks UV		21
8	Chinese (zh) 紫外线指数		21
9	Danish (da) Uv-indeks		20
10	Japanese (ja) UVインデックス		15

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Ultraviolet index" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Italian (it) Indice UV		3
2	Russian (ru) Ультрафиолетовый индекс		2
3	English (en) Ultraviolet index		1
4	Serbian (sr) Ултраљубичасти индекс		1
5	Ukrainian (uk) Ультрафіолетовий індекс		1
6	Arabic (ar) مؤشر الأشعة فوق البنفسجية		0
7	Catalan (ca) Índex de radiació ultraviolada		0
8	Czech (cs) UV index		0
9	Danish (da) Uv-indeks		0
10	German (de) UV-Index		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Ultraviolet index" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Ultraviolet index		700
2	French (fr) Indice UV		122
3	Czech (cs) UV index		91
4	Arabic (ar) مؤشر الأشعة فوق البنفسجية		86
5	Chinese (zh) 紫外线指数		68
6	Serbian (sr) Ултраљубичасти индекс		52
7	German (de) UV-Index		35
8	Korean (ko) 자외선 지수		35
9	Vietnamese (vi) Chỉ số tử ngoại		25
10	Spanish (es) Índice UV		18

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#	Language	Value
ar	Arabic مؤشر الأشعة فوق البنفسجية
ca	Catalan Índex de radiació ultraviolada
cs	Czech UV index
da	Danish Uv-indeks
de	German UV-Index
el	Greek Δείκτης υπεριώδους ακτινοβολίας
en	English Ultraviolet index
es	Spanish Índice UV
et	Estonian UV-indeks
fa	Persian شاخص فرابنفش
fi	Finnish UV-indeksi
fr	French Indice UV
he	Hebrew מדד קרינת על-סגול
hr	Croatian UV indeks
hy	Armenian Ուլտրամանուշակագույն ինդեքս
id	Indonesian Indeks ultraviolet
it	Italian Indice UV
ja	Japanese UVインデックス
ko	Korean 자외선 지수
lt	Lithuanian Ultravioletinės spinduliuotės indeksas
nl	Dutch Zonkracht
no	Norwegian UV-indeks
pl	Polish Indeks UV
pt	Portuguese Índice ultravioleta
ru	Russian Ультрафиолетовый индекс
sl	Slovenian Indeks UV
sr	Serbian Ултраљубичасти индекс
th	Thai ดัชนีรังสีอัลตราไวโอเลต
tr	Turkish UV İndeksi
uk	Ukrainian Ультрафіолетовий індекс
vi	Vietnamese Chỉ số tử ngoại
zh	Chinese 紫外线指数

Best Rank

English: #4726 06.2019

Global: #3309 06.2019

Best Rank

English: #9111 06.2015

Global: #10847 07.2013

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information