Hydrogen-alpha

H-alpha - specific hydrogen spectral line in the Balmer series. Article “Hydrogen-alpha” in Simple English Wikipedia has 15.3 points for quality (as of July 1, 2026). The article contains 1 references and 3 sections.

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

Since the creation of article “Hydrogen-alpha”, its content was written by 1 registered users of Simple English Wikipedia and edited by 255 registered Wikipedia users in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #3703 in October 2025
• Global: #41277 in December 2003

The highest popularity rank from 2008:

• Local (Simple English): #23119 in April 2026
• Global: #109990 in February 2015

There are 22 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	Turkish (tr) Hidrojen alfa		29.5394
2	Chinese (zh) H-α		27.9953
3	English (en) Hydrogen-alpha		26.8259
4	Hindi (hi) एच-एल्फा		25.4034
5	Polish (pl) H-alfa		18.2867
6	Russian (ru) H-альфа		17.9314
7	Ukrainian (uk) H-альфа		17.3704
8	Italian (it) H-alfa		16.5703
9	Armenian (hy) H–ալֆա		15.7129
10	Simple English (simple) Hydrogen-alpha		15.3155

More...

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

The most popular language versions of the article "Hydrogen-alpha" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Hydrogen-alpha		1 068 058
2	German (de) H-alpha		133 011
3	Spanish (es) Hα		81 673
4	French (fr) Hα		74 541
5	Italian (it) H-alfa		50 644
6	Chinese (zh) H-α		40 562
7	Russian (ru) H-альфа		40 482
8	Polish (pl) H-alfa		11 157
9	Arabic (ar) H-ألفا		10 403
10	Czech (cs) H-alfa		8 989

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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 "Hydrogen-alpha" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Hydrogen-alpha		2 769
2	German (de) H-alpha		428
3	Spanish (es) Hα		352
4	French (fr) Hα		284
5	Russian (ru) H-альфа		272
6	Chinese (zh) H-α		216
7	Italian (it) H-alfa		150
8	Polish (pl) H-alfa		60
9	Simple English (simple) Hydrogen-alpha		34
10	Czech (cs) H-alfa		26

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

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

#	Language	AI award	Relative AI
1	English (en) Hydrogen-alpha		82
2	French (fr) Hα		31
3	Italian (it) H-alfa		26
4	German (de) H-alpha		20
5	Spanish (es) Hα		12
6	Arabic (ar) H-ألفا		10
7	Norwegian (no) H-alfa		9
8	Polish (pl) H-alfa		9
9	Chinese (zh) H-α		9
10	Czech (cs) H-alfa		8

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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 "Hydrogen-alpha" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Czech (cs) H-alfa		1
2	Arabic (ar) H-ألفا		0
3	Bulgarian (bg) H-алфа		0
4	Catalan (ca) H-alfa		0
5	German (de) H-alpha		0
6	English (en) Hydrogen-alpha		0
7	Spanish (es) Hα		0
8	Basque (eu) H alfa		0
9	Persian (fa) هیدروژن-آلفا		0
10	French (fr) Hα		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 "Hydrogen-alpha" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Hydrogen-alpha		440
2	French (fr) Hα		143
3	Italian (it) H-alfa		126
4	Russian (ru) H-альфа		122
5	German (de) H-alpha		84
6	Chinese (zh) H-α		63
7	Spanish (es) Hα		53
8	Czech (cs) H-alfa		24
9	Arabic (ar) H-ألفا		23
10	Ukrainian (uk) H-альфа		23

More...

#	Language	Value
ar	Arabic H-ألفا
bg	Bulgarian H-алфа
ca	Catalan H-alfa
cs	Czech H-alfa
de	German H-alpha
en	English Hydrogen-alpha
es	Spanish Hα
eu	Basque H alfa
fa	Persian هیدروژن-آلفا
fr	French Hα
hi	Hindi एच-एल्फा
hy	Armenian H–ալֆա
it	Italian H-alfa
no	Norwegian H-alfa
pl	Polish H-alfa
ro	Romanian H-alfa
ru	Russian H-альфа
simple	Simple English Hydrogen-alpha
th	Thai เอชแอลฟา
tr	Turkish Hidrojen alfa
uk	Ukrainian H-альфа
zh	Chinese H-α

Best Rank

Simple English: #23119 04.2026

Global: #109990 02.2015

Best Rank

Simple English: #3703 10.2025

Global: #41277 12.2003

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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