Sulfurous acid

Quality:

Sulfurous acid - chemical compound. Article “Sulfurous acid” in Simple English Wikipedia has 14.2 points for quality (as of July 1, 2026). The article contains 1 references and 2 sections.

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

Since the creation of article “Sulfurous acid”, its content was written by 10 registered users of Simple English Wikipedia and edited by 891 registered Wikipedia users in all languages.

The article is cited 10 times in Simple English Wikipedia and cited 2454 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #385 in August 2010
• Global: #7524 in August 2010

The highest popularity rank from 2008:

• Local (Simple English): #4610 in September 2013
• Global: #32141 in October 2009

There are 44 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	German (de) Schweflige Säure		38.4509
2	Malay (ms) Asid sulfurus		32.3141
3	Serbo-Croatian (sh) Sumporasta kiselina		31.1257
4	Polish (pl) Kwas siarkawy		30.8421
5	Catalan (ca) Àcid sulfurós		30.4911
6	Italian (it) Acido solforoso		28.9875
7	Arabic (ar) حمض الكبريتوز		26.8147
8	Chinese (zh) 亚硫酸		26.5829
9	Serbian (sr) Sumporasta kiselina		26.3464
10	Estonian (et) Väävlishape		26.1894

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

#	Language	Popularity award	Relative popularity
1	English (en) Sulfurous acid		1 381 165
2	German (de) Schweflige Säure		933 067
3	Spanish (es) Ácido sulfuroso		826 711
4	Russian (ru) Сернистая кислота		749 737
5	Japanese (ja) 亜硫酸		527 105
6	Polish (pl) Kwas siarkawy		497 780
7	Italian (it) Acido solforoso		343 333
8	Portuguese (pt) Ácido sulfuroso		191 533
9	Chinese (zh) 亚硫酸		142 162
10	French (fr) Acide sulfureux		141 406

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

#	Language	Popularity award	Relative popularity
1	English (en) Sulfurous acid		1 651
2	German (de) Schweflige Säure		924
3	Japanese (ja) 亜硫酸		836
4	Russian (ru) Сернистая кислота		521
5	Polish (pl) Kwas siarkawy		320
6	Chinese (zh) 亚硫酸		305
7	Spanish (es) Ácido sulfuroso		285
8	Italian (it) Acido solforoso		203
9	French (fr) Acide sulfureux		170
10	Korean (ko) 아황산		144

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

#	Language	AI award	Relative AI
1	German (de) Schweflige Säure		110
2	English (en) Sulfurous acid		99
3	Polish (pl) Kwas siarkawy		59
4	Italian (it) Acido solforoso		56
5	Dutch (nl) Zwaveligzuur		51
6	Vietnamese (vi) Acid sulfurơ		47
7	Russian (ru) Сернистая кислота		46
8	French (fr) Acide sulfureux		42
9	Spanish (es) Ácido sulfuroso		34
10	Japanese (ja) 亜硫酸		34

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

#	Language	AI award	Relative AI
1	Catalan (ca) Àcid sulfurós		2
2	Italian (it) Acido solforoso		2
3	Japanese (ja) 亜硫酸		1
4	Vietnamese (vi) Acid sulfurơ		1
5	Arabic (ar) حمض الكبريتوز		0
6	Azerbaijani (az) Sulfit turşusu		0
7	Bulgarian (bg) Серниста киселина		0
8	Czech (cs) Kyselina siřičitá		0
9	Danish (da) Svovlsyrling		0
10	German (de) Schweflige Säure		0

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

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, List of sex positions, 2026 Iran war, Suresh Raina, Politics of Germany, Academy Award for Best Director, 2020, DYSS-TV, 2022.

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