Solar cycle 21

Quality:

Solar cycle 21 - Solar activity from 1976 to 1986. Article "Solar cycle 21" in English Wikipedia has 31 points for quality (as of August 1, 2024). The article contains 8 references and 2 sections.

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

Since the creation of article "Solar cycle 21", its content was written by 20 registered users of English Wikipedia and edited by 34 registered Wikipedia users in all languages.

The article is cited 29 times in English Wikipedia and cited 127 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #24488 in August 2014
  • Global: #100150 in August 2014

The highest popularity rank from 2008:

  • Local (English): #657669 in May 2024
  • Global: #993012 in May 2024

There are 6 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 August 1, 2024 (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
1Chinese (zh)
第21太陽週期
35.6015
2English (en)
Solar cycle 21
30.9863
3Tamil (ta)
சூரியச் சுழற்சி 21
27.0573
4Romanian (ro)
Ciclul solar 21
26.5228
5Japanese (ja)
第21太陽周期
24.205
6French (fr)
Cycle solaire 21
8.0708
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 cycle 21" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Solar cycle 21
44 429
2Japanese (ja)
第21太陽周期
5 367
3French (fr)
Cycle solaire 21
1 807
4Chinese (zh)
第21太陽週期
1 638
5Tamil (ta)
சூரியச் சுழற்சி 21
106
6Romanian (ro)
Ciclul solar 21
55
More...

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

Most popular in July 2024

The most popular language versions of the article "Solar cycle 21" in July 2024
#LanguagePopularity awardRelative popularity
1English (en)
Solar cycle 21
260
2Japanese (ja)
第21太陽周期
23
3Romanian (ro)
Ciclul solar 21
18
4Chinese (zh)
第21太陽週期
12
5French (fr)
Cycle solaire 21
10
6Tamil (ta)
சூரியச் சுழற்சி 21
2
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 cycle 21" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Solar cycle 21
20
2French (fr)
Cycle solaire 21
4
3Japanese (ja)
第21太陽周期
4
4Chinese (zh)
第21太陽週期
3
5Tamil (ta)
சூரியச் சுழற்சி 21
2
6Romanian (ro)
Ciclul solar 21
1
More...

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

The highest AI in July 2024

Language versions of the article "Solar cycle 21" with the highest AI in July 2024
#LanguageAI awardRelative AI
1Romanian (ro)
Ciclul solar 21
1
2English (en)
Solar cycle 21
0
3French (fr)
Cycle solaire 21
0
4Japanese (ja)
第21太陽周期
0
5Tamil (ta)
சூரியச் சுழற்சி 21
0
6Chinese (zh)
第21太陽週期
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 cycle 21" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1French (fr)
Cycle solaire 21
63
2English (en)
Solar cycle 21
29
3Japanese (ja)
第21太陽周期
26
4Chinese (zh)
第21太陽週期
6
5Romanian (ro)
Ciclul solar 21
2
6Tamil (ta)
சூரியச் சுழற்சி 21
1
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in July 2024:
English:
Global:
Popularity in all years:
English:
Global:
Authors in July 2024:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
enEnglish
Solar cycle 21
frFrench
Cycle solaire 21
jaJapanese
第21太陽周期
roRomanian
Ciclul solar 21
taTamil
சூரியச் சுழற்சி 21
zhChinese
第21太陽週期

Popularity rank trends

Best Rank English:
#657669
05.2024
Global:
#993012
05.2024

AI rank trends

Best Rank English:
#24488
08.2014
Global:
#100150
08.2014

Languages comparison

Important global interconnections

Wikipedia readers most often find their way to information on Solar cycle 21 from Wikipedia articles about Solar cycle 20, Solar cycle 22, List of solar cycles, Solar irradiance and Solar cycle 10. Whereas reading the article about Solar cycle 21 people most often go to Wikipedia articles on Solar cycle 22, Solar cycle 20, Solar cycle, List of solar cycles and Solar irradiance.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 6 April 2025

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In English Wikipedia the most popular articles on that day were: Minecraft (film), Alexander Ovechkin, Kelvin Sampson, Cooper Flagg, Adolescence (TV series), Val Kilmer, Geno Auriemma, Wayne Gretzky, Sikandar (2025 film), Paige Bueckers.

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 August, 2024. When calculating current popularity and AI of articles data from July 2024 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information