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Data source: Environmental Protection Agency
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Air pollution in Merced, California correlates with...

VariableCorrelationYearsSys. Score
Wind power generated in Seychellesr=0.889yrs264
Popularity of the first name Camiller=0.732yrs196
Google searches for 'where to buy bleach'r=0.7919yrs190
Jet fuel used in Angolar=0.6531yrs178
Google searches for 'facebook'r=0.7917yrs168
Google searches for 'how to cure a hangover'r=0.7619yrs166
Cenovus Energy's stock price (CVE)r=0.7713yrs164
Petroluem consumption in Romaniar=-0.7131yrs162
Global revenue generated by McDonald'sr=0.7318yrs158
Total length of LEMMiNO YouTube videosr=0.711yrs158
Amount spent on Pet Gifts on Valentine's Day in the USr=0.839yrs156
Woodside Energy Group's stock price (WDS)r=0.714yrs155
Number of pirate attacks in Indonesiar=0.6315yrs153
The number of preschool special education teachers in Californiar=0.8411yrs153
Average number of comments on Vihart's YouTube videosr=0.6414yrs152
Customer satisfaction with Dellr=0.5925yrs151
Ticket sales for San Francisco Giants gamesr=0.5629yrs150
Popularity of the 'trollface' memer=0.7117yrs147
The average number of likes on Vihart's YouTube videosr=0.5814yrs143
Number of edits to the Wikipedia article for O.J. Simpsonr=0.5618yrs142
Number of edits to the Wikipedia article for bromancer=0.5618yrs142
Public Library Website Visits in the UKr=0.778yrs141
United States' Fruit Juice Export Volumer=0.7413yrs140
Patents granted to Toshibar=0.7412yrs139
US imports of non-edible fishery productr=0.717yrs138
Warner Bros. Discovery's stock price (WBD)r=0.5717yrs138
Cristiano Ronaldo's domestic league goal tallyr=0.6819yrs137
UFO sightings in Californiar=0.5531yrs137
Number of edits to the Wikipedia article for Dunning Kruger effectr=0.5218yrs136
The number of middle school teachers in Californiar=0.713yrs134
Google searches for 'zombies'r=0.7519yrs134
Popularity of the first name Maxwellr=0.6132yrs133
The number of network systems administrators in Californiar=0.6618yrs133
Season wins for the Los Angeles Chargersr=0.676yrs132
Popularity of the 'bazinga' memer=0.6117yrs132
Number of public school students in 5th grader=0.5632yrs130
Popularity of the first name Ahmedr=0.5932yrs130
Popularity of the 'first world problems' memer=0.617yrs130
Super Bowl TV viewershipr=0.532yrs128
UEFA European Cup and Champions League Top Scorer's Goal Countr=0.5232yrs126
Bachelor's degrees awarded in Visual and performing artsr=0.7810yrs126
Number of edits to the Wikipedia article for Britney Spearsr=-0.6822yrs126
Justin Upton's yearly run totalr=0.6216yrs125
Google searches for 'how to delete browsing history'r=0.7519yrs124
Liquefied petroleum gas used in Lesothor=0.631yrs120
Google searches for 'bing'r=0.7519yrs114
Electricity generation in U.S. Pacific Islandsr=0.5731yrs109
Average length of LockPickingLawyer YouTube videosr=0.658yrs108
The number of electrical and electronics repairers, commercial and industrial equipment in Californiar=0.6420yrs102
Google searches for 'how much wood can a woodchuck chuck'r=0.7419yrs102
International Business Machines' stock price (IBM)r=0.4921yrs100
Popularity of the first name Macir=0.5932yrs100
Fossil fuel use in U.S. Pacific Islandsr=0.5731yrs99
The average number of likes on Simone Giertz's YouTube videosr=-0.919yrs97
Google searches for 'Nicolas Cage'r=0.7319yrs91
Ecopetrol's stock price (EC)r=0.5314yrs90
The number of stonemasons in Californiar=-0.7920yrs90
Jet fuel used in Djiboutir=0.5931yrs89
Popularity of the first name Brynr=0.5832yrs88
Average number of comments on Simone Giertz's YouTube videosr=-0.919yrs87
Google searches for 'Taylor Swift'r=0.7317yrs79
Liquefied petroleum gas used in Macaur=0.5931yrs79
The number of chemists in Californiar=0.6120yrs78
Popularity of the first name Zoer=0.5732yrs77
How geeky LEMMiNO YouTube video titles arer=0.8111yrs74
The number of drywall and ceiling tile installers in Californiar=-0.7720yrs68
Kerosene used in Zimbabwer=0.5831yrs68
Popularity of the first name Simonr=0.5732yrs67
Total comments on MrBeast's YouTube videosr=-0.8611yrs64
Google searches for 'how to build a bunker'r=0.6119yrs62
The number of executive administrative assistants in Californiar=0.6613yrs58
Popularity of the first name Corbinr=0.5732yrs57
Average length of CGP Grey YouTube videosr=-0.8512yrs54
Jet fuel used in Namibiar=0.5631yrs54
Popularity of the first name Mohammedr=0.5632yrs46
Google searches for 'i cant even'r=0.5919yrs45
Average number of comments on Mark Rober YouTube videosr=-0.8312yrs42
Solar power generated in Gambiar=0.717yrs40
Popularity of the first name Maximilianr=0.5632yrs36
Average views of Numberphile YouTube videosr=0.7812yrs31
Wind power generated in Samoar=0.768yrs30
Google searches for 'how to make charts'r=0.716yrs28
Popularity of the first name Brynnr=0.5632yrs26
Google searches for 'how to make baby'r=0.6619yrs16
Popularity of the first name Ashtynr=0.5632yrs16
The average number of likes on Computerphile YouTube videosr=0.5610yrs16
Liquefied petroleum gas used in Bruneir=0.5631yrs10
Google searches for 'what is love'r=0.6619yrs6
Nuclear power generation in Brazilr=0.5331yrs-2
Google searches for 'headache remedies'r=0.6519yrs-6
Hydopower energy generated in Papua New Guinear=0.5331yrs-12
Google searches for 'easy bake oven'r=0.6815yrs-16
Biomass power generated in United Statesr=0.5331yrs-22
Google searches for 'scooby doo where are you'r=0.6319yrs-29
Fossil fuel use in Venezuelar=0.5331yrs-32
Google searches for 'google'r=0.6319yrs-39
Fossil fuel use in Surinamer=0.5231yrs-44
Google searches for 'pick up lines'r=0.6319yrs-49
Petroluem consumption in Jordanr=0.5331yrs-55
Google searches for 'used treadmills for sale'r=0.6219yrs-60
Liquefied petroleum gas used in Lebanonr=0.5331yrs-65


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You caught me! While it would be intuitive to sort only by "correlation," I have a big, weird database. If I sort only by correlation, often all the top results are from some one or two very large datasets (like the weather or labor statistics), and it overwhelms the page.

I can't show you *all* the correlations, because my database would get too large and this page would take a very long time to load. Instead I opt to show you a subset, and I sort them by a magic system score. It starts with the correlation, but penalizes variables that repeat from the same dataset. (It also gives a bonus to variables I happen to find interesting.)
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