Peter Day

pt

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Peter Day

Quality:

Peter Day - British chemist (1938–2020). Article “Peter Day” in Portuguese Wikipedia has 12.6 points for quality (as of July 1, 2025). The article contains 3 references and 1 sections.

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

Since the creation of article “Peter Day”, its content was written by 4 registered users of Portuguese Wikipedia and edited by 44 registered Wikipedia users in all languages.

The article is cited 7 times in Portuguese Wikipedia and cited 92 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Portuguese): #44746 in August 2022
  • Global: #97552 in June 2022

The highest popularity rank from 2008:

  • Local (Portuguese): #388283 in April 2015
  • Global: #848043 in October 2019

There are 5 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
1English (en)
Peter Day (chemist)
33.7787
2Arabic (ar)
بيتر داي
22.3206
3Chinese (zh)
彼得·戴 (化学家)
20.198
4Portuguese (pt)
Peter Day
12.6294
5German (de)
Peter Day (Chemiker)
2.82
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 "Peter Day" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Peter Day (chemist)
33 271
2Portuguese (pt)
Peter Day
1 432
3Chinese (zh)
彼得·戴 (化学家)
634
4German (de)
Peter Day (Chemiker)
198
5Arabic (ar)
بيتر داي
189
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 "Peter Day" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Peter Day (chemist)
132
2Chinese (zh)
彼得·戴 (化学家)
18
3Portuguese (pt)
Peter Day
7
4Arabic (ar)
بيتر داي
6
5German (de)
Peter Day (Chemiker)
4
More...

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

The highest AI

Language versions of the article "Peter Day" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Peter Day (chemist)
29
2German (de)
Peter Day (Chemiker)
6
3Chinese (zh)
彼得·戴 (化学家)
5
4Portuguese (pt)
Peter Day
4
5Arabic (ar)
بيتر داي
0
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 "Peter Day" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Chinese (zh)
彼得·戴 (化学家)
1
2Arabic (ar)
بيتر داي
0
3German (de)
Peter Day (Chemiker)
0
4English (en)
Peter Day (chemist)
0
5Portuguese (pt)
Peter Day
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 "Peter Day" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Peter Day (chemist)
61
2Arabic (ar)
بيتر داي
13
3Portuguese (pt)
Peter Day
7
4Chinese (zh)
彼得·戴 (化学家)
6
5German (de)
Peter Day (Chemiker)
5
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
arArabic
بيتر داي
deGerman
Peter Day (Chemiker)
enEnglish
Peter Day (chemist)
ptPortuguese
Peter Day
zhChinese
彼得·戴 (化学家)

Popularity rank trends

Best Rank Portuguese:
#388283
04.2015
Global:
#848043
10.2019

AI rank trends

Best Rank Portuguese:
#44746
08.2022
Global:
#97552
06.2022

Languages comparison

Important global interconnections (July 2024 – June 2025)

Cumulative results of quality and popularity of the Wikipedia article

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

News from 28 January 2026

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In Portuguese Wikipedia the most popular articles on that day were: Lucas Paquetá, Vírus Nipah, Nilton César, Gerardo Renault, Campeonato Brasileiro de Futebol de 2026 - Série B, Fernando Mamede, António José Seguro, Big Brother Brasil 26, Trace Brasil, Relógio do Juízo Final.

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