Solar constant

en

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Solar constant

Quality:

Solar constant - intensity of sunlight. Article "Solar constant" in English Wikipedia has 39.4 points for quality (as of July 1, 2025). The article contains 16 references and 11 sections.

This article has the best quality in Tamil Wikipedia. However, this article is the most popular in English version.

In June 2025 the article "Solar constant" was edited by 1 authors in English Wikipedia and written by 5 authors in all languages.

Since the creation of article "Solar constant", its content was written by 92 registered users of English Wikipedia and edited by 810 registered Wikipedia users in all languages.

The article is cited 216 times in English Wikipedia and cited 1414 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #16176 in October 2004
  • Global: #11266 in June 2004

The highest popularity rank from 2008:

  • Local (English): #98825 in September 2014
  • Global: #66344 in April 2015

There are 35 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, 2025 (including revision history and pageviews for previous years).

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

Languages with the highest quality

#LanguageQuality gradeQuality score
1Tamil (ta)
சூரிய மாறிலி
50.1395
2Chinese (zh)
太陽常數
44.0975
3English (en)
Solar constant
39.419
4Polish (pl)
Stała słoneczna
35.8177
5Ukrainian (uk)
Сонячна стала
34.1607
6Norwegian (Nynorsk) (nn)
Solarkonstanten
32.9583
7Korean (ko)
태양 상수
31.9336
8Croatian (hr)
Sunčeva konstanta
31.875
9French (fr)
Constante solaire
26.7774
10Serbo-Croatian (sh)
Sunčeva konstanta
25.0684
More...

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

Most popular in all the time

The most popular language versions of the article "Solar constant" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Solar constant
1 324 592
2German (de)
Solarkonstante
732 895
3Spanish (es)
Constante solar
420 648
4French (fr)
Constante solaire
263 906
5Japanese (ja)
太陽定数
220 484
6Polish (pl)
Stała słoneczna
198 771
7Russian (ru)
Солнечная постоянная
183 298
8Italian (it)
Costante solare
115 842
9Portuguese (pt)
Constante solar
72 341
10Chinese (zh)
太陽常數
71 822
More...

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

Most popular in June 2025

The most popular language versions of the article "Solar constant" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Solar constant
3 027
2German (de)
Solarkonstante
1 546
3Japanese (ja)
太陽定数
551
4French (fr)
Constante solaire
535
5Russian (ru)
Солнечная постоянная
337
6Spanish (es)
Constante solar
302
7Polish (pl)
Stała słoneczna
267
8Chinese (zh)
太陽常數
256
9Italian (it)
Costante solare
226
10Korean (ko)
태양 상수
152
More...

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

The highest AI

Language versions of the article "Solar constant" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1German (de)
Solarkonstante
147
2English (en)
Solar constant
92
3French (fr)
Constante solaire
86
4Polish (pl)
Stała słoneczna
55
5Italian (it)
Costante solare
52
6Dutch (nl)
Zonneconstante
40
7Russian (ru)
Солнечная постоянная
37
8Spanish (es)
Constante solar
36
9Danish (da)
Solarkonstant
25
10Japanese (ja)
太陽定数
23
More...

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

The highest AI in June 2025

Language versions of the article "Solar constant" with the highest AI in June 2025
#LanguageAI awardRelative AI
1German (de)
Solarkonstante
2
2Danish (da)
Solarkonstant
1
3English (en)
Solar constant
1
4Ukrainian (uk)
Сонячна стала
1
5Arabic (ar)
ثابت شمسي
0
6Belarusian (be)
Сонечная пастаянная
0
7Catalan (ca)
Constant solar
0
8Czech (cs)
Sluneční konstanta
0
9Greek (el)
Ηλιακή σταθερά
0
10Spanish (es)
Constante solar
0
More...

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

The highest CI

Language versions of the article "Solar constant" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1French (fr)
Constante solaire
378
2English (en)
Solar constant
216
3Chinese (zh)
太陽常數
111
4Romanian (ro)
Constantă solară
94
5German (de)
Solarkonstante
66
6Polish (pl)
Stała słoneczna
56
7Slovak (sk)
Slnečná konštanta
43
8Japanese (ja)
太陽定数
39
9Spanish (es)
Constante solar
34
10Croatian (hr)
Sunčeva konstanta
31
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
ثابت شمسي
beBelarusian
Сонечная пастаянная
caCatalan
Constant solar
csCzech
Sluneční konstanta
daDanish
Solarkonstant
deGerman
Solarkonstante
elGreek
Ηλιακή σταθερά
enEnglish
Solar constant
esSpanish
Constante solar
etEstonian
Solaarkonstant
faPersian
ثابت خورشیدی
fiFinnish
Aurinkovakio
frFrench
Constante solaire
heHebrew
הקבוע הסולארי
hrCroatian
Sunčeva konstanta
huHungarian
Napállandó
itItalian
Costante solare
jaJapanese
太陽定数
kkKazakh
Күн тұрақтысы
koKorean
태양 상수
nlDutch
Zonneconstante
nnNorwegian (Nynorsk)
Solarkonstanten
noNorwegian
Solkonstanten
plPolish
Stała słoneczna
ptPortuguese
Constante solar
roRomanian
Constantă solară
ruRussian
Солнечная постоянная
shSerbo-Croatian
Sunčeva konstanta
skSlovak
Slnečná konštanta
slSlovenian
Solarna konstanta
srSerbian
Sunčeva konstanta
taTamil
சூரிய மாறிலி
trTurkish
Güneş enerjisi sabiti
ukUkrainian
Сонячна стала
zhChinese
太陽常數

Popularity rank trends

Best Rank English:
#98825
09.2014
Global:
#66344
04.2015

AI rank trends

Best Rank English:
#16176
10.2004
Global:
#11266
06.2004

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Solar constant from Wikipedia articles about Solar irradiance, Solar radiation, Solar luminosity, Sun and Radiation pressure. Whereas reading the article about Solar constant people most often go to Wikipedia articles on Solar irradiance, Earths energy budget, Irradiance, Faint young Sun paradox and Astronomical unit.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

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About WikiRank

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 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information