Article “Regulation of greenhouse gases under the Clean Air Act” in English Wikipedia has 69.7 points for quality (as of July 1, 2025). The article contains 93 references and 17 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 3.67 points.
In June 2025 the article “Regulation of greenhouse gases under the Clean Air Act” was edited by 2 authors in English Wikipedia and written by 2 authors in all languages.
Since the creation of article “Regulation of greenhouse gases under the Clean Air Act”, its content was written by 53 registered users of English Wikipedia and edited by 53 registered Wikipedia users in all languages.
The article is cited 472 times in English Wikipedia and cited 472 times in all languages.
The highest Authors Interest rank from 2001:
The highest popularity rank from 2008:
There is 1 language version 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).
| Best Rank | English: #67610 06.2014 |
Global: #133682 06.2014 |
| Best Rank | English: #9168 07.2012 |
Global: #74673 08.2015 |
On 21 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Alysa Liu, Eric Dane, 2026 Winter Olympics, Rebecca Gayheart, Johannes Høsflot Klæbo, Wuthering Heights, amyotrophic lateral sclerosis, Andrew Mountbatten-Windsor, John F. Kennedy Jr..
In English Wikipedia the most popular articles on that day were: Eric Dane, Alysa Liu, Rebecca Gayheart, Jeffrey Epstein, 2026 Winter Olympics, Eileen Gu, John F. Kennedy Jr., Carolyn Bessette Kennedy, Deaths in 2026, Johannes Høsflot Klæbo.
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
$$Quality=1/c∑↙{i=1}↖c nm_i-RS=1/5(100+75.61+28.57+100+62.75)-3.67$$
where:
The results of the calculations may be slightly different because of rounded values of normalized metrics in formulas
