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Data source: Environmental Protection Agency
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Air quality in Grand Forks, North Dakota correlates with...

VariableCorrelationYearsSys. Score
Renewable energy production in Beninr=16yrs404
Petroluem consumption in Turks and Caicos Islandsr=17yrs402
Gasoline pumped in Cabo Verder=0.998yrs401
Electricity generation in Azerbaijanr=0.8910yrs251
Hispanic cheese consumptionr=0.896yrs248
Mozzarella cheese consumptionr=0.877yrs246
The number of movies Charlize Theron appeared inr=0.867yrs244
Italian-type cheese consumptionr=0.857yrs243
Wind power generated in Latviar=0.876yrs219
Liquefied petroleum gas used in Moldovar=0.867yrs206
Number of International Tourist Arrivals Worldwider=0.837yrs148
Value of the Victoria's Secret Annual Fantasy Brar=0.836yrs146
Annual U.S. inflation rater=0.6712yrs128
Popularity of the first name Shemarr=0.848yrs128
Christmas Price Index in the United Statesr=0.6410yrs122
Frank Lampard's Premier League goal tallyr=0.736yrs118
Customer satisfaction with GE Appliancesr=0.548yrs116
Customer satisfaction with Verizonr=-0.888yrs114
The number of movies Gary Oldman appeared inr=0.6216yrs112
Popularity of the first name Corinner=0.6616yrs110
Customer satisfaction with Southwest Airlinesr=-0.828yrs108
Popularity of the first name Jovanr=0.6216yrs104
Customer satisfaction with Frontier Communicationsr=-0.788yrs104
Jet fuel used in Omanr=0.7716yrs101
Natural cheese consumptionr=0.847yrs99
The number of movies Hugh Jackman appeared inr=0.657yrs98
Customer satisfaction with United Airlinesr=-0.738yrs98
Final Match Score Difference in the Volkswagen Challenger Setr=0.549yrs96
Drenching rain in Sydneyr=0.547yrs96
The distance between Jupiter and Mercuryr=0.5316yrs93
The distance between Neptune and Jupiterr=0.5216yrs92
The distance between Uranus and Jupiterr=0.5216yrs92
Number of public school students in Kindergartenr=-0.8512yrs91
Automotive recalls for issues with Vehicle Speed Controlr=-0.5516yrs87
Unemployment Rate in the United Statesr=0.4512yrs86
Customer satisfaction with All Othersr=-0.717yrs86
Rain in Perthr=0.487yrs86
Annual count of part-time employees in the United Statesr=-0.7712yrs85
Rain in Perthr=0.477yrs85
Fossil fuel use in Azerbaijanr=0.8410yrs84
Customer satisfaction with Nordstromr=-0.668yrs82
Car crashes in the USr=-0.7611yrs80
NBA Season MVP's Ager=-0.7311yrs80
Customer satisfaction with Delta Airlinesr=-0.68yrs76
Cottage cheese consumptionr=0.6712yrs76
Customer satisfaction with American Airlinesr=-0.588yrs74
Popularity of the first name Marianr=0.6216yrs74
Number of public school students in 1st grader=-0.8212yrs73
Annual growth rate of US Real GDPr=-0.6412yrs72
Customer satisfaction with gas stationsr=-0.578yrs72
Electricity generation in Russiar=0.8310yrs72
Average SAT score in critical readingr=-0.4812yrs70
The number of movies Keanu Reeves appeared inr=0.5216yrs68
Canned whole evaporated and condensed milk consumptionr=0.6712yrs66
The distance between Jupiter and Earthr=0.5116yrs60
Popularity of the first name Melanier=0.616yrs60
Carjackings in the USr=-0.557yrs56
Hydopower energy generated in Belizer=0.817yrs56
Super Bowl TV viewershipr=-0.5112yrs54
American-type cheese consumptionr=0.747yrs52
Number of public school students in 2nd grader=-0.612yrs51
The distance between Jupiter and the moonr=0.5116yrs50
Popularity of the first name Jamilr=0.616yrs50
Nuclear power generation in Russiar=0.7910yrs46
The number of movies Elijah Wood appeared inr=0.513yrs42
Popularity of the first name Danaer=0.5916yrs39
Evaporated and condensed milk consumptionr=0.6112yrs37
Gasoline pumped in Bosnia and Herzegovinar=0.8110yrs36
Hot days in Perthr=-0.667yrs30
Popularity of the first name Angeliner=0.5916yrs29
Kerosene used in French Polynesiar=0.7812yrs24
The number of movies Kate Winslet appeared inr=0.468yrs20
Customer satisfaction with JCPenneyr=-0.528yrs18
Juice ices consumptionr=-0.8712yrs18
Popularity of the first name Ingridr=0.5816yrs18
Liquefied petroleum gas used in Russiar=0.7810yrs12
Average temperature in Sydneyr=-0.537yrs8
Popularity of the first name Shaniquar=0.5716yrs6
Liquefied petroleum gas used in The Bahamasr=0.7416yrs2
The yearly batting average of the New York Yankeesr=-0.4716yrs-6
Popularity of the first name Marlener=0.5516yrs-7
Cream and Neufchatel cheese consumptionr=0.557yrs-7
Wind power generated in Polandr=0.777yrs-10
US Employment Rater=-0.512yrs-12
Popularity of the first name Thaddeusr=0.5516yrs-17
Cheddar cheese consumptionr=0.547yrs-18
Liquefied petroleum gas used in Bosnia and Herzegovinar=0.7710yrs-20
Popularity of the first name Wendyr=0.5416yrs-28
Jet fuel used in Cambodiar=0.797yrs-30
Popularity of the first name Joanr=0.5416yrs-38
Low-fat and nonfat ice cream products consumptionr=-0.7512yrs-40
Liquefied petroleum gas used in Former Czechoslovakiar=0.797yrs-40
The number of Breweries in the United Statesr=-0.5812yrs-47
Popularity of the first name Carmenr=0.5316yrs-50
Liquefied petroleum gas used in Latviar=0.7710yrs-50
Popularity of the first name Ilianar=0.5316yrs-60
Popularity of the first name Hillaryr=0.5216yrs-72
Processed cheese consumptionr=-0.677yrs-72
Popularity of the first name Carissar=0.5116yrs-83
Popularity of the first name Almar=0.5116yrs-93
Popularity of the first name Raphaelr=0.5116yrs-103


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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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