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Data source: Environmental Protection Agency
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Air quality in Grand Rapids, Michigan correlates with...

VariableCorrelationYearsSys. Score
Average milk produced per cow in the USr=0.6943yrs250
Total number of automotive recallsr=0.6943yrs249
Automotive recalls issued by BMW of North Americar=0.6743yrs249
How fun SciShow Space YouTube video titles arer=0.8710yrs248
How good Deep Look YouTube video titles arer=0.8710yrs248
Customer satisfaction with Appler=0.7428yrs242
Automotive recalls for issues with the Electrical Systemr=0.6443yrs240
Automotive recalls for issues with the Power Trainr=0.6343yrs238
Kerosene used in Malir=0.7842yrs238
Gasoline pumped in Surinamer=0.7642yrs236
Hotdogs consumed by Nathan's Hot Dog Eating Competition Championr=0.6943yrs234
Biomass power generated in Austriar=0.7342yrs234
Total number of live births in Australiar=0.7243yrs232
Patents granted in the USr=0.6841yrs232
USA Populationr=0.7143yrs230
Number of Lawyers in the United Statesr=0.7234yrs230
Budget for largest movie productionr=0.6743yrs228
Patents granted in the USr=0.6741yrs227
Intel Corporation's annual revenuer=0.7236yrs225
US Annual Tax Revenuer=0.6842yrs225
Super Bowl TV viewershipr=0.6933yrs222
Popularity of the first name Marleer=0.7643yrs216
Popularity of the first name Lucasr=0.7543yrs215
Popularity of the first name Laylar=0.7543yrs215
Customer satisfaction with Southwest Airlinesr=0.7228yrs208
Automotive recalls issued by Nissan North Americar=0.5943yrs207
Biomass power generated in Belgiumr=0.7342yrs204
Customer satisfaction with Dillard'sr=0.6927yrs203
Automotive recalls issued by Chryslerr=0.5643yrs202
Automotive recalls issued by Hyundai Motor Americar=0.637yrs202
The distance between Neptune and Uranusr=0.6144yrs198
Electricity generation in Cabo Verder=0.7342yrs194
Electricity generation in Jordanr=0.7342yrs184
Popularity of the first name Naomir=0.7443yrs184
Annual Revenue of Walt Disney Companyr=0.6532yrs184
Customer satisfaction with Verizonr=0.7518yrs183
Total budget of Marvel comic-based films releasedr=0.6235yrs182
Annual count of part-time employees in the United Statesr=0.6533yrs182
Gender pay gap in the U.S.r=0.6432yrs182
Automotive recalls issued by Hondar=0.5643yrs182
Arson in Michiganr=-0.7538yrs182
Automotive recalls issued by Mercedes-Benz USAr=0.5543yrs181
Automotive recalls issued by Keystone RV Companyr=0.6725yrs181
Motor vehicle theftsr=-0.7238yrs178
Motor vehicle thefts in Michiganr=-0.7238yrs178
How professional-sounding The Game Theorists YouTube video titles arer=0.8415yrs178
Biomass power generated in Polandr=0.7342yrs174
Popularity of the first name Josiahr=0.7443yrs174
Yogurt consumptionr=0.6932yrs174
Customer satisfaction with Costcor=0.6622yrs174
Butter consumptionr=0.6732yrs171
Number of public school students in 12th grader=0.6733yrs168
The distance between Uranus and Saturnr=0.644yrs166
Electricity generation in Saint Kitts and Nevisr=0.7342yrs164
Popularity of the first name Genesisr=0.7443yrs164
Restaurant spending in Michiganr=0.7224yrs164
Biomass power generated in Swedenr=0.7342yrs154
Popularity of the first name Rubyr=0.7443yrs154
The average number of likes on AsapSCIENCE YouTube videosr=0.8212yrs147
Arson in United Statesr=-0.738yrs146
Popularity of the first name Vivianr=0.7443yrs144
Total hydopower energy generated globallyr=0.7242yrs142
Hispanic cheese consumptionr=0.726yrs140
Popularity of the first name Lucyr=0.7443yrs134
Burglary rates in the USr=-0.6838yrs134
Electricity generation in Antigua and Barbudar=0.7242yrs132
Christmas Price Index in the United Statesr=0.6531yrs130
Automotive recalls issued by Porscher=0.5443yrs130
Italian-type cheese consumptionr=0.6927yrs129
Number of households headed by single fathers in the United Statesr=0.6432yrs125
Average number of comments on 3Blue1Brown YouTube videosr=0.769yrs125
Popularity of the first name Braxtonr=0.7443yrs124
Electricity generation in Argentinar=0.7242yrs122
Number of Registered Vehicles in the USr=0.6432yrs119
Automotive recalls for issues with Exterior Lightingr=0.5343yrs119
Muenster cheese consumptionr=0.6827yrs118
Popularity of the first name Reidr=0.7443yrs114
Automotive recalls for issues with the Seatsr=0.5343yrs114
Remaining Forest Cover in the Brazilian Amazonr=-0.7536yrs113
Renewable energy production in Belizer=0.7242yrs112
Automotive recalls issued by Volkswagen Group of Americar=0.543yrs109
NASA's budget as a percentage of the total US Federal Budgetr=-0.6644yrs107
Popularity of the first name Marleyr=0.7443yrs104
Renewable energy production in Bhutanr=0.7242yrs102
Automotive recalls for issues with the Engine And Engine Coolingr=0.5143yrs100
Viewership count for Days of Our Livesr=-0.6642yrs99
Popularity of the first name Aliar=0.7443yrs94
Hydopower energy generated in Bhutanr=0.7242yrs92
Popularity of the first name Ibrahimr=0.7443yrs84
Number of active magazines in the United Statesr=0.7915yrs83
Electricity generation in Costa Ricar=0.7242yrs82
Popularity of the first name Andersonr=0.7443yrs74
Fossil fuel use in Egyptr=0.7242yrs72
Popularity of the first name Presleyr=0.7443yrs64
Fossil fuel use in Equatorial Guinear=0.7242yrs62
Popularity of the first name Chanar=0.7443yrs54
Electricity generation in Gambiar=0.7242yrs52
Popularity of the first name Juder=0.7443yrs44
Electricity generation in Gibraltarr=0.7242yrs42
Popularity of the first name Karsonr=0.7443yrs34
Popularity of the first name Wyattr=0.7343yrs22


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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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