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Data source: Environmental Protection Agency
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Air pollution in Portsmouth, Ohio correlates with...

VariableCorrelationYearsSys. Score
The average number of likes on Extra History YouTube videosr=0.9312yrs364
The number of mathematicians in Ohior=0.8819yrs338
The number of surveying and mapping technicians in Ohior=0.8820yrs338
The number of plumbers in Ohior=0.8720yrs338
Total likes of Extra History YouTube videosr=0.8912yrs308
Total likes of Mark Rober YouTube videosr=0.8613yrs304
Global annual sales of the Xbox 360r=0.8810yrs278
The marriage rate in Ohior=0.823yrs244
How provocative MinuteEarth YouTube video titles arer=0.8811yrs235
Kerosene used in Greecer=0.7732yrs227
Physical album shipment volume in the United Statesr=0.7924yrs224
Total annual sales of Ford Motors in the United Statesr=0.8123yrs222
Liquefied petroleum gas used in Italyr=0.7432yrs222
Kerosene used in Nepalr=0.7131yrs217
Popularity of the first name Kiarar=0.8132yrs213
Popularity of the first name Laurynr=0.832yrs212
Popularity of the first name Cobyr=0.7632yrs206
US household spending on booksr=0.7923yrs202
The number of forging machine setters, operators, and tenders, metal and plastic in Ohior=0.8420yrs197
Number of edits to the Wikipedia article for Thanksgivingr=0.816yrs192
Career regular season goals scored by Sidney Crosbyr=0.7921yrs190
The number of millwrights in Ohior=0.8320yrs186
Johnson Controls International's stock price (JCI)r=0.7122yrs180
The divorce rate in Ohior=0.6923yrs179
Popularity of the first name Kolbyr=0.7432yrs172
US household spending on beefr=0.7823yrs171
Annual US household spending on booksr=0.7723yrs170
US household spending on porkr=0.7723yrs170
Hollister retail store count worldwider=-0.8423yrs168
xkcd comics published about engineeringr=0.7617yrs168
US household spending on meats, poultry, fish, and eggsr=0.7523yrs166
US household spending on processed fruitsr=0.7423yrs165
Disney movies releasedr=0.6723yrs162
US household spending on transportationr=0.7223yrs162
US milk fat used to produce fluid beverage milkr=0.7222yrs161
Google searches for 'how to immigrate to switzerland'r=0.6620yrs161
US birth rates of triplets or morer=0.6820yrs160
Popularity of the first name Gillianr=0.7232yrs160
US Hospital Occupancy Rater=0.7218yrs157
Liquefied petroleum gas used in Greenlandr=0.7622yrs156
Google searches for 'cia hotline'r=0.6320yrs155
Value of the Victoria's Secret Annual Fantasy Brar=0.6624yrs154
Number of edits to the Wikipedia article for spurious relationshipr=0.6319yrs154
Customer satisfaction with Southwest Airlinesr=-0.7228yrs152
Customer satisfaction with Costcor=-0.7722yrs152
Google searches for 'how to immigrate to norway'r=0.5920yrs150
Popularity of the first name Shemarr=0.7429yrs150
AIG's stock price (AIG)r=0.622yrs148
Citigroup's stock price (C)r=0.5922yrs146
Automotive recalls for issues with Vehicle Speed Controlr=0.532yrs143
The number of movies Julie Andrews appeared inr=0.6133yrs143
The number of locker room attendants in Ohior=0.8120yrs142
Kerosene used in Sierra Leoner=0.6631yrs140
Popularity of the first name Cameronr=0.7132yrs138
Total likes of MrBeast's YouTube videosr=0.8112yrs136
The number of professional painters in Ohior=0.8120yrs132
Liquefied petroleum gas used in Luxembourgr=0.6432yrs128
Popularity of the first name Hoper=0.7132yrs128
Total likes of 'Be Smart' science YouTube videosr=0.8211yrs126
The number of sheet metal workers in Ohior=0.8120yrs122
Google searches for 'fbi hotline'r=0.5920yrs119
Popularity of the first name Colbyr=0.7132yrs118
Petroluem consumption in Portugalr=0.6332yrs116
Average length of LEMMiNO YouTube videosr=0.7912yrs112
The number of carpenters in Ohior=0.820yrs111
Popularity of the first name Sydnir=0.7132yrs108
Total likes of Steve Mould's YouTube videosr=0.7615yrs101
The number of prepress technicians and workers in Ohior=0.820yrs101
Popularity of the first name Garrisonr=0.7132yrs98
Jet fuel used in Timor-Lester=-0.8719yrs96
The number of laundry and dry-cleaning workers in Ohior=0.820yrs91
Popularity of the first name Kiarrar=0.7132yrs88
Biomass power generated in Sloveniar=-0.7923yrs84
The number of pesticide handlers in Ohior=0.7920yrs80
Popularity of the first name Rhiannonr=0.732yrs76
Total likes of 3Blue1Brown YouTube videosr=0.699yrs74
The number of typists in Ohior=0.7920yrs70
Popularity of the first name Shamarr=0.732yrs66
Kerosene used in Vietnamr=0.6231yrs64
The number of tapers in Ohior=0.7920yrs60
Average length of Numberphile YouTube videosr=0.6313yrs60
Jet fuel used in Barbadosr=0.6131yrs52
Total likes of The Game Theorists YouTube videosr=0.6215yrs50
The number of human resources assistants in Ohior=0.7820yrs48
Gasoline pumped in Dominicar=0.631yrs40
The number of telephone operators in Ohior=0.7719yrs36
Kerosene used in El Salvadorr=0.5931yrs29
The number of cooks, institution and cafeteria in Ohior=0.7620yrs25
Popularity of the first name Jakobr=0.6932yrs25
Jet fuel used in Cubar=0.5831yrs18
Popularity of the first name Keyshawnr=0.6932yrs15
Jet fuel used in U.S. Pacific Islandsr=0.5831yrs8
Popularity of the first name Jalenr=0.6832yrs4
Kerosene used in Indonesiar=0.5731yrs-4
The number of CEOs in Ohior=0.7520yrs-5
Popularity of the first name Cader=0.6832yrs-6
The number of brickmasons in Ohior=0.7620yrs-15
Kerosene used in Bangladeshr=0.5631yrs-16
Popularity of the first name Destinyr=0.6732yrs-18
The number of postal service machine operators in Ohior=0.7520yrs-26
Popularity of the first name Juliar=0.6632yrs-30


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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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