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Data source: Environmental Protection Agency
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Air pollution in Detroit correlates with...

VariableCorrelationYearsHas img?
The number of sheet metal workers in Michiganr=0.7820yrsNo
Automotive recalls issued by Mack Trucksr=0.5243yrsNo


Air pollution in Detroit also correlates with...

VariableCorrelationYearsSys. Score
Petroluem consumption in Former Czechoslovakiar=0.8613yrs236
Liquefied petroleum gas used in Djiboutir=0.7633yrs226
Liquefied petroleum gas used in Saint Luciar=0.6642yrs220
Jet fuel used in Barbadosr=0.6542yrs219
US household spending on transportationr=0.8423yrs210
US household spending on new carsr=0.8323yrs208
Number of public school students in 9th grader=0.7333yrs206
US household spending on vehicle purchaesr=0.8123yrs206
Popularity of the first name Cader=0.6643yrs202
Popularity of the first name Zariar=0.6741yrs201
Popularity of the first name Makennar=0.6641yrs200
Disney movies releasedr=0.7323yrs191
The number of surveyors in Michiganr=0.7920yrs190
The number of plumbers in Michiganr=0.7720yrs188
Petroluem consumption in Netherlands Antillesr=0.6342yrs186
Total annual sales of Ford Motors in the United Statesr=0.7723yrs186
Automotive recalls for issues with Service Brakes, Airr=0.5543yrs176
The marriage rate in Michiganr=0.6823yrs176
Automotive recalls for issues with the Tiresr=0.5143yrs170
Automotive recalls for issues with Steeringr=0.4943yrs168
Automotive recalls for issues with Suspensionr=0.4943yrs168
Number of public school students in 7th grader=0.6733yrs168
Popularity of the first name Gracer=0.6343yrs167
Number of public school students in 6th grader=0.6633yrs166
Hollister retail store count worldwider=-0.8123yrs165
Number of Slot Machines in Nevadar=0.5639yrs162
West Nile Virus Casesr=0.7121yrs160
Google searches for 'how to treat internal bleeding'r=0.7220yrs160
Value of the Victoria's Secret Annual Fantasy Brar=0.6924yrs158
Physical album shipment volume in the United Statesr=0.6924yrs158
Popularity of the first name Trinityr=0.6343yrs157
The number of floral designers in Michiganr=0.7720yrs156
Career regular season goals scored by Sidney Crosbyr=0.6821yrs154
Johnson Controls International's stock price (JCI)r=0.6422yrs154
Total likes of Steve Mould's YouTube videosr=0.6515yrs154
Total likes of Extra History YouTube videosr=0.6612yrs153
US milk fat used to produce fluid beverage milkr=0.6622yrs152
US milk fat used to produce cottage cheeser=0.6622yrs152
Average SAT score in mathr=0.5233yrs152
Total likes of Mark Rober YouTube videosr=0.6413yrs151
Automotive recalls for issues with the Fuel System, Gasoliner=0.4743yrs150
Automotive recalls for issues with Trailer Hitchesr=0.4743yrs150
Banco Bradesco's stock price (BBD)r=-0.7522yrs148
Ulta Beauty's stock price (ULTA)r=0.6416yrs148
US household spending on property taxesr=-0.8323yrs147
Popularity of the first name Faithr=0.6243yrs146
US household spending on pets, toys, and hobbiesr=-0.823yrs144
xkcd comics published about engineeringr=0.6817yrs141
Annual US household spending on booksr=0.7123yrs140
US household spending on clothing for menr=0.7123yrs140
Popularity of the first name Esperanzar=0.6243yrs136
Petroluem consumption in Faroe Islandsr=0.6537yrs134
Number of public school students in 8th grader=0.6433yrs133
Petroluem consumption in Irelandr=0.6143yrs124
The number of carpenters in Michiganr=0.7520yrs124
Total length of 'Be Smart' science YouTube videosr=0.6511yrs120
Lennar's stock price (LEN.B)r=0.620yrs116
Liquefied petroleum gas used in Sloveniar=0.6931yrs114
The number of welders in Michiganr=0.7520yrs114
Total likes of The Game Theorists YouTube videosr=0.6115yrs108
Petroluem consumption in The Bahamasr=0.6242yrs104
The number of surgens in Michiganr=0.7716yrs102
Citigroup's stock price (C)r=0.5522yrs100
The average number of likes on Extra History YouTube videosr=0.6312yrs98
Popularity of the first name Jaylinr=0.6341yrs95
Jet fuel used in U.S. Virgin Islandsr=0.6242yrs94
The number of garbage collectors in Michiganr=0.7320yrs92
AIG's stock price (AIG)r=0.5522yrs90
Total likes of 'Be Smart' science YouTube videosr=0.6211yrs86
Popularity of the first name Keyshawnr=0.6340yrs84
Petroluem consumption in Puerto Ricor=0.6142yrs83
The number of chefs and head cooks in Michiganr=0.7320yrs80
Popularity of the first name Anahir=0.6143yrs74
Total likes of MrBeast's YouTube videosr=0.612yrs74
Jet fuel used in Djiboutir=0.642yrs72
The number of locker room attendants in Michiganr=0.7320yrs70
Petroluem consumption in Fijir=0.642yrs62
Popularity of the first name Tobyr=0.643yrs62
The number of automotive body repairers in Michiganr=0.7320yrs60
Petroluem consumption in Saint Helenar=0.642yrs52
Popularity of the first name Fatimar=0.5943yrs51
The number of surveying and mapping technicians in Michiganr=0.7120yrs48
Kerosene used in Sierra Leoner=0.642yrs42
Popularity of the first name Annikar=0.5943yrs41
The number of professional painters in Michiganr=0.7120yrs38
Petroluem consumption in U.S. Virgin Islandsr=0.642yrs32
Popularity of the first name Haller=0.5843yrs30
The number of automotive service technicians and mechanics in Michiganr=0.720yrs26
Jet fuel used in Albaniar=0.6829yrs20
Popularity of the first name Jadenr=0.5743yrs18
Liquefied petroleum gas used in Grenadar=0.6435yrs10
Popularity of the first name Jaylanr=0.6334yrs8
Kerosene used in Mozambiquer=0.5942yrs0
The number of forest and conservation workers in Michiganr=0.7216yrs0
Popularity of the first name Starr=0.5743yrs-2
Gasoline pumped in U.S. Virgin Islandsr=0.5942yrs-10
Popularity of the first name Ashtynr=0.5939yrs-13
Popularity of the first name Isabelr=0.5643yrs-24
Popularity of the first name Jadar=0.5643yrs-34


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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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