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Data source: Environmental Protection Agency
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Air pollution in Hartford, Connecticut correlates with...

VariableCorrelationYearsSys. Score
Popularity of the 'whip nae nae' memer=0.969yrs376
Number of pirate attacks in Indonesiar=0.8915yrs362
Google searches for 'easy bake oven'r=0.916yrs338
Popularity of the first name Jasonr=0.8543yrs335
Popularity of the first name Audrar=0.8543yrs335
Bachelor's degrees awarded in linguisticsr=0.9510yrs322
Total views on Numberphile YouTube videosr=0.9113yrs322
Associates degrees awarded in social servicesr=0.9411yrs320
Associates degrees awarded in Communications technologiesr=0.9211yrs316
Votes for the Republican Presidential candidate in Connecticutr=0.8711yrs280
Patents granted to Toshibar=0.8712yrs278
Bachelor's degrees awarded in Communications technologiesr=0.9310yrs268
Average number of milk cows in the United Statesr=0.7843yrs264
How fun Extra History YouTube video titles arer=0.8612yrs263
Bachelor's degrees awarded in literaturer=0.9210yrs257
Kerosene used in Romaniar=0.8542yrs249
Master's degrees awarded in literaturer=0.9210yrs247
Petroluem consumption in Bulgariar=0.8342yrs246
Kerosene used in U.S. Pacific Islandsr=0.8342yrs246
Master's degrees awarded in linguisticsr=0.9210yrs237
Popularity of the first name Stacyr=0.8543yrs230
Master's degrees awarded in gender studiesr=0.9110yrs226
Kerosene used in United Statesr=0.8143yrs214
Bachelor's degrees awarded in Visual and performing artsr=0.910yrs214
The distance between Neptune and Earthr=0.744yrs212
The distance between Neptune and Mercuryr=0.744yrs212
The distance between Neptune and the moonr=0.744yrs212
US household spending on transportationr=0.8223yrs207
Kerosene used in Mexicor=0.8140yrs201
Popularity of the first name Jenniferr=0.8443yrs198
Average milk produced per cow in the USr=-0.7143yrs198
Automotive recalls issued by Keystone RV Companyr=-0.8125yrs192
Kerosene used in Turkiyer=0.7943yrs191
Popularity of the first name Amyr=0.8443yrs188
Viewership count for Days of Our Livesr=0.642yrs188
Value of the Victoria's Secret Annual Fantasy Brar=0.7424yrs186
The number of kindergarten teachers in Connecticutr=0.7720yrs186
Boston Celtics' annual draft pick countr=0.5943yrs182
Google searches for 'how to fake your own death'r=0.6920yrs182
Global count of operating nuclear power plantsr=-0.7743yrs181
Petroluem consumption in Somaliar=0.7942yrs180
The distance between Neptune and the Sunr=0.6944yrs180
Highest Nielsen rating for a TV show each yearr=0.5841yrs179
Popularity of the first name Pamelar=0.8443yrs178
General Electric's stock price (GE)r=0.6622yrs175
Associates degrees awarded in Health professionsr=0.8911yrs172
USA Populationr=-0.6843yrs172
Vodafone Group's stock price (VOD)r=0.6622yrs172
The number of school teachers in Connecticutr=-0.9613yrs172
Budget for largest movie productionr=-0.6443yrs171
Gasoline pumped in Albaniar=0.7842yrs168
Popularity of the first name Shaunr=0.8443yrs168
Total number of live births in Australiar=-0.6443yrs168
Average length of LockPickingLawyer YouTube videosr=0.789yrs168
US Annual Tax Revenuer=-0.6442yrs167
The number of movies Bette Davis appeared inr=0.5644yrs166
Associates degrees awarded in law enforcementr=0.8911yrs162
US Tobacco Productionr=0.7223yrs162
The number of file clerks in Connecticutr=0.7420yrs162
US household spending on clothing for menr=0.7223yrs162
Cenovus Energy's stock price (CVE)r=0.7414yrs161
Physical album shipment volume in the United Statesr=0.724yrs160
Google searches for 'burn centers'r=0.7220yrs160
Kerosene used in Boliviar=0.7842yrs158
Popularity of the first name Jermainer=0.8443yrs158
Bachelor's degrees awarded in Philosophyr=0.8910yrs152
Popularity of the first name Annetter=0.8443yrs148
Gasoline pumped in Bulgariar=0.7742yrs147
Bachelor's degrees awarded in Theology and religious vocationsr=0.8810yrs141
Popularity of the first name Sonyar=0.8443yrs138
Kerosene used in Hong Kongr=0.7642yrs136
Total length of LEMMiNO YouTube videosr=0.7412yrs135
The number of automotive service technicians and mechanics in Connecticutr=0.7420yrs132
Master's degrees awarded in Liberal artsr=0.8810yrs131
Google searches for 'Vihart'r=0.7417yrs130
Popularity of the first name Maryannr=0.8443yrs128
Kerosene used in Brazilr=0.7542yrs124
Total comments on minutephysics YouTube videosr=0.7113yrs122
Culinary Associates degrees awardedr=0.8811yrs120
Popularity of the first name Valarier=0.8443yrs118
Kerosene used in El Salvadorr=0.7542yrs114
Wind power generated in Samoar=0.928yrs108
Associates degrees awarded in Criminal justice and correctionsr=0.8611yrs108
Popularity of the first name Angelar=0.8343yrs107
Gasoline pumped in Somaliar=0.7542yrs104
Popularity of the first name Staceyr=0.8343yrs97
Associates degrees awarded in health assistancer=0.8511yrs96
Petroluem consumption in Albaniar=0.7242yrs90
Popularity of the first name Tinar=0.8343yrs87
Associates degrees awarded in Fire control and safetyr=0.8511yrs86
Kerosene used in Ecuadorr=0.7242yrs80
Popularity of the first name Charityr=0.8343yrs77
Associates degrees awarded in Visual and performing artsr=0.8511yrs76
Liquefied petroleum gas used in Netherlands Antillesr=0.7242yrs70
Popularity of the first name Joycer=0.8343yrs67
Kerosene used in Norwayr=0.7243yrs60
Popularity of the first name Jodir=0.8343yrs57
Bachelor's degrees awarded in Social sciences and historyr=0.8610yrs53
Biomass power generated in Panamar=0.6942yrs48
Popularity of the first name Mandyr=0.8343yrs47
Popularity of the first name Janar=0.8343yrs37


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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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