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

VariableCorrelationYearsHas img?
Google searches for 'ice bath'r=0.8920yrsYes!


Air pollution in Iowa City also correlates with...

VariableCorrelationYearsSys. Score
The average number of likes on Extra History YouTube videosr=0.9312yrs364
Total likes of Mark Rober YouTube videosr=0.8713yrs326
Total likes of Extra History YouTube videosr=0.8912yrs308
How provocative MinuteEarth YouTube video titles arer=0.8611yrs222
The number of movies Tyrese Gibson appeared inr=0.8424yrs218
The number of movies Peter OToole appeared inr=0.6542yrs208
Eli Lilly and Company's stock price (LLY)r=0.7522yrs206
Popularity of the first name Stefanier=0.6742yrs202
Popularity of the first name Eileenr=0.6542yrs199
xkcd comics published about engineeringr=0.8217yrs197
Kerosene used in Italyr=0.6242yrs184
Quanta Services' stock price (PWR)r=0.7122yrs180
Kerosene used in U.S. Pacific Islandsr=0.5941yrs179
Average number of milk cows in the United Statesr=0.5342yrs176
Conoco Phillips' stock price (COP)r=0.6822yrs175
Hydopower energy generated in Fijir=-0.6839yrs170
Total likes of MrBeast's YouTube videosr=0.8312yrs164
Google searches for 'how to move to europe'r=0.6320yrs158
Popularity of the first name Stacyr=0.5842yrs158
Cheniere Energy's stock price (LNG)r=0.6822yrs145
The number of movies Jordana Brewster appeared inr=0.6626yrs144
Google searches for 'what is the FDIC'r=0.6720yrs138
Total likes of Steve Mould's YouTube videosr=0.7715yrs138
Archer-Daniels-Midland Company's stock price (ADM)r=0.6722yrs134
Liquefied petroleum gas used in Italyr=-0.6242yrs134
Global count of operating nuclear power plantsr=-0.5842yrs131
xkcd comics published about geographyr=0.6117yrs130
Popularity of the first name Adrienner=0.5842yrs128
xkcd comics published about physicsr=0.5717yrs124
Deere & Company's stock price (DE)r=0.6622yrs122
Popularity of the first name Jermainer=0.5742yrs117
Total likes of 'Be Smart' science YouTube videosr=0.8211yrs116
Biomass power generated in Panamar=0.5441yrs114
McKesson's stock price (MCK)r=0.6622yrs112
The number of movies Laurence Olivier appeared inr=0.5143yrs108
Popularity of the first name Jodier=0.5742yrs107
Google searches for 'titanic'r=0.6420yrs104
Kerosene used in Canadar=0.5542yrs104
Average length of LEMMiNO YouTube videosr=0.7912yrs102
Hess Corporation's stock price (HES)r=0.6522yrs100
Popularity of the first name Jamaalr=0.5742yrs97
Gasoline pumped in Guamr=0.5541yrs93
Google searches for 'cold shower'r=0.620yrs88
Kerosene used in Namibiar=0.6132yrs83
The number of movies Gal Gadot appeared inr=0.6915yrs82
Google searches for 'where can i stream friends'r=0.619yrs76
AutoZone's stock price (AZO)r=0.6422yrs74
Total likes of 3Blue1Brown YouTube videosr=0.699yrs74
Kerosene used in Australiar=0.5442yrs72
Popularity of the first name Jenniferr=0.5642yrs66
Google searches for 'that is sus'r=0.5720yrs63
Arthur J. Gallagher & Co.'s stock price (AJG)r=0.6322yrs62
Jet fuel used in Namibiar=0.632yrs62
Total likes of The Game Theorists YouTube videosr=0.6315yrs62
Popularity of the first name Jasonr=0.5642yrs56
Nucor's stock price (NUE)r=0.6422yrs52
Average length of Numberphile YouTube videosr=0.6413yrs51
Kerosene used in Turkiyer=0.5142yrs48
Google searches for 'when is new years'r=0.5320yrs47
Popularity of the first name Jodir=0.5642yrs46
Merck & Co.'s stock price (MRK)r=0.6222yrs41
Kerosene used in Boliviar=0.5141yrs37
Popularity of the first name Dawnr=0.5642yrs36
Google searches for 'tetanus'r=0.5220yrs36
O'Reilly Automotive's stock price (ORLY)r=0.6222yrs31
Liquefied petroleum gas used in Netherlands Antillesr=0.5141yrs27
Popularity of the first name Audrar=0.5642yrs26
Average length of SmarterEveryDay YouTube videosr=0.5117yrs26
Google searches for 'best place to work'r=0.5220yrs26
The Progressive Corporation's stock price (PGR)r=0.6122yrs20
Petroluem consumption in Bulgariar=0.541yrs16
Popularity of the first name Adamr=0.5542yrs14
Google searches for 'why do i have a migraine'r=0.5120yrs14
Average length of Technology Connections YouTube videosr=0.69yrs11
Northrop Grumman's stock price (NOC)r=0.6122yrs10
Petroluem consumption in Hungaryr=0.542yrs6
Popularity of the first name Carrier=0.5542yrs4
Average length of Casually Explained YouTube videosr=0.599yrs0
Alnylam Pharmaceuticals' stock price (ALNY)r=0.6319yrs0
Kerosene used in Norwayr=0.542yrs-4
Popularity of the first name Staceyr=0.5542yrs-6
Average length of Computerphile YouTube videosr=0.5711yrs-12
AstraZeneca's stock price (AZN)r=0.622yrs-12
Popularity of the first name Lorir=0.5542yrs-16
Arch Capital Group's stock price (ACGL)r=0.622yrs-22
The average number of likes on 'Be Smart' science YouTube videosr=0.5611yrs-23
Popularity of the first name Jillr=0.5542yrs-26
Nuclear power generation in Spainr=-0.6141yrs-26
Gartner's stock price (IT)r=0.622yrs-32
The average number of likes on MrBeast's YouTube videosr=0.5512yrs-34
Popularity of the first name Hollier=0.5542yrs-36
Liquefied petroleum gas used in Francer=-0.6242yrs-36
Fair Isaac's stock price (FICO)r=0.622yrs-42
Popularity of the first name Billier=0.5542yrs-46
How provocative 'Be Smart' science YouTube video titles arer=0.7411yrs-46
Geothermal power generated in United Statesr=-0.5841yrs-48
Popularity of the first name Shellyr=0.5542yrs-56
Liquefied petroleum gas used in Mexicor=-0.6142yrs-58
Total views on Steve Mould's YouTube videosr=0.715yrs-58
How 'hip and with it' 'Be Smart' science YouTube video titles arer=0.7211yrs-69


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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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