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Data source: Environmental Protection Agency
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Air pollution in Michigan City, Indiana correlates with...

VariableCorrelationYearsSys. Score
Popularity of the 'call me maybe' memer=0.969yrs376
Google searches for 'Titanic'r=0.9313yrs370
Popularity of the 'gangnam style' memer=0.929yrs320
Popularity of the 'McKayla Maroney' memer=0.8915yrs312
The average number of likes on Numberphile YouTube videosr=0.8910yrs306
Average number of comments on Numberphile YouTube videosr=0.8910yrs306
Total comments on Vihart's YouTube videosr=0.8812yrs306
Global sales revenue of elevators and escalatorsr=0.887yrs262
Global revenue from elevator and escalator salesr=0.887yrs257
Customer satisfaction with Frontier Communicationsr=0.8327yrs254
Customer satisfaction with Walmartr=0.7427yrs240
Total views on Vihart's YouTube videosr=0.8812yrs236
Carjackings in the USr=0.7626yrs228
Kerosene used in Dominicar=0.7131yrs217
Popularity of the first name Corrinar=0.8331yrs215
Customer satisfaction with Verizonr=0.727yrs204
Popularity of the first name Marquiser=0.7531yrs203
Popularity of the first name Myrandar=0.7531yrs203
Viewership count for Days of Our Livesr=0.6931yrs190
Customer satisfaction with Kohl'sr=0.7519yrs184
Gasoline pumped in Eritrear=0.7227yrs184
Kerosene used in Seychellesr=0.6931yrs184
How clickbait-y Matt Parker's YouTube video titles arer=0.8510yrs184
Customer satisfaction with gas stationsr=0.6427yrs176
Violent crime ratesr=0.5731yrs175
Popularity of the first name Mirandar=0.7431yrs172
Processed cheese consumptionr=0.726yrs170
Google searches for 'titanic'r=0.817yrs170
Motor vehicle thefts in Indianar=0.6331yrs164
Popularity of the first name Alecr=0.7431yrs162
Remaining Forest Cover in the Brazilian Amazonr=0.6231yrs161
How geeky PBS Space Time YouTube video titles arer=0.856yrs160
NASA's budget as a percentage of the total US Federal Budgetr=0.631yrs158
Johnson Controls International's stock price (JCI)r=0.6919yrs158
Total likes of Vihart's YouTube videosr=0.8412yrs155
Kerosene used in Germanyr=0.6930yrs153
Number of edits to the Wikipedia article for Taylor Swiftr=0.6515yrs153
Popularity of the first name Clayr=0.7431yrs152
Google searches for 'Gangnam Style'r=0.849yrs152
Automotive recalls for issues with Vehicle Speed Controlr=0.5531yrs150
Emmy Awards Ceremony viewershipr=0.5831yrs149
Popularity of the 'willy wonka' memer=0.8315yrs148
Customer satisfaction with FOXNews.comr=0.6611yrs148
Customer satisfaction with Appler=-0.6927yrs148
Popularity of the first name Rickir=0.7431yrs142
Gasoline pumped in Germanyr=0.6830yrs142
Frozen yogurt consumptionr=0.631yrs140
The number of movies Gregory Peck appeared inr=0.631yrs140
Popularity of the 'y u no' memer=0.8315yrs138
Asthma attacks in American childrenr=0.4923yrs137
Petroluem consumption in Naurur=0.6831yrs132
Arson in United Statesr=0.6131yrs131
Popularity of the first name Anferneer=0.7429yrs130
Popularity of the 'trollface' memer=0.8315yrs128
Total comments on Numberphile YouTube videosr=0.8110yrs124
Kerosene used in Philippinesr=0.6831yrs122
Popularity of the first name Tamerar=0.7331yrs120
Arson in Indianar=0.5931yrs118
Gasoline pumped in Turkiyer=0.6831yrs112
Popularity of the 'scumbag steve' memer=0.7815yrs110
Popularity of the first name Austinr=0.7231yrs108
Motor vehicle theftsr=0.5831yrs106
Total likes of Numberphile YouTube videosr=0.810yrs102
Gasoline pumped in Italyr=0.6731yrs101
Popularity of the 'bad luck brian' memer=0.7715yrs99
Popularity of the first name Austenr=0.7231yrs98
Kerosene used in Perur=0.6731yrs91
Popularity of the 'overly attached girlfriend' memer=0.7715yrs89
Popularity of the first name Daquanr=0.7231yrs88
Kerosene used in Chiler=0.6631yrs80
Total length of Technology Connections YouTube videosr=0.816yrs80
Popularity of the first name Stephonr=0.7231yrs78
Petroluem consumption in Denmarkr=0.6631yrs70
Popularity of the first name Cherokeer=0.7231yrs68
Total length of minutephysics YouTube videosr=0.7510yrs64
Jet fuel used in Gabonr=0.6631yrs60
Popularity of the 'success kid' memer=0.7415yrs60
Popularity of the first name Suzannar=0.7231yrs58
Average length of Deep Look YouTube videosr=0.767yrs53
Gasoline pumped in North Macedoniar=0.6729yrs49
Popularity of the 'bazinga' memer=0.7315yrs48
Popularity of the first name Katlynr=0.7131yrs47
Average number of comments on 'Be Smart' science YouTube videosr=0.758yrs42
Kerosene used in Belgiumr=0.6531yrs38
Popularity of the first name Carinar=0.7131yrs37
Popularity of the 'one does not simply' memer=0.6815yrs30
Petroluem consumption in Germanyr=0.6630yrs28
Total comments on minutephysics YouTube videosr=0.7110yrs28
Popularity of the first name Marandar=0.7131yrs27
Kerosene used in Thailandr=0.6531yrs18
The average number of likes on 'Be Smart' science YouTube videosr=0.728yrs18
Popularity of the first name Mikalar=0.7131yrs17
Popularity of the first name Travonr=0.7131yrs7
How professional-sounding Steve Mould's YouTube video titles arer=-0.9812yrs7
Wind power generated in Venezuelar=-0.999yrs0
How geeky Tom Scott's YouTube video titles arer=0.8312yrs-6
Jet fuel used in Macaur=-0.8426yrs-10
Total comments on Technology Connections YouTube videosr=0.766yrs-18
Electricity generation in Hong Kongr=-0.731yrs-26
Total length of Vihart's YouTube videosr=0.6412yrs-30
Number of CGP Grey Videos publishedr=0.810yrs-44


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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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