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Data source: Environmental Protection Agency
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Air quality in New York City correlates with...

VariableCorrelationYearsHas img?
Electricity generation in Australiar=0.9342yrsYes!
Biomass power generated in United Statesr=0.9242yrsNo
Hydopower energy generated in Brazilr=0.9142yrsNo
Electricity generation in Japanr=0.8942yrsNo
Votes for the Democratic Presidential candidate in New Yorkr=0.8711yrsNo
The number of actuaries in New Yorkr=0.8420yrsNo
Hotdogs consumed by Nathan's Hot Dog Eating Competition Championr=0.8443yrsYes!



Air quality in New York City also correlates with...

VariableCorrelationYearsSys. Score
Average milk produced per cow in the USr=0.9343yrs422
Electricity generation in Saint Helenar=0.9342yrs399
Fossil fuel use in Saint Helenar=0.9342yrs399
USA Populationr=0.9143yrs396
Popularity of the first name Alir=0.9343yrs377
Popularity of the first name Coltonr=0.9243yrs376
Popularity of the first name Emilior=0.9243yrs376
U.S. direct investment abroadr=0.922yrs374
US milk fat used to produce yogurtr=0.9122yrs374
Total geothermal power generated globallyr=0.9242yrs368
GMO use in cornr=0.9124yrs362
Number of Lawyers in the United Statesr=0.8934yrs361
US Annual Tax Revenuer=0.8842yrs360
Electricity generation in New Zealandr=0.9242yrs358
Google searches for 'i have the flu'r=0.8720yrs358
Intel Corporation's annual revenuer=0.8936yrs356
How professional-sounding SmarterEveryDay YouTube video titles arer=0.9117yrs356
Number of Las Vegas Hotel Room Check-Insr=0.8834yrs355
Annual Revenue of Walt Disney Companyr=0.8832yrs353
Number of households headed by single fathers in the United Statesr=0.8832yrs352
Inflation in the USr=0.8931yrs350
Electricity generation in United Statesr=0.9242yrs348
Popularity of the first name Kylerr=0.9143yrs344
Number of internet usersr=0.8724yrs344
Ticket prices at North American movie theatersr=0.8822yrs343
Yearly Total Gross Income of US Farmsr=0.8823yrs342
US milk fat used to produce whey products (net)r=0.8922yrs342
The distance between Uranus and Mercuryr=0.8744yrs342
Popularity of the 'red pill blue pill' memer=0.8618yrs340
Economic output of Washington metro arear=0.8821yrs339
Google searches for 'tummy ache'r=0.8720yrs338
The number of operations research analysts in New Yorkr=0.8820yrs338
The number of college computer science teachers in New Yorkr=0.8919yrs338
The number of dining room and cafeteria attendants in New Yorkr=0.8820yrs338
Global Net Sales for Walmartr=0.8817yrs335
Popularity of the first name Callier=0.9143yrs334
Total Revenue of the NFL Teamsr=0.8520yrs334
Liquefied petroleum gas used in Brazilr=0.9442yrs328
Popularity of the first name Hassanr=0.9143yrs324
Jet fuel used in Guinea-Bissaur=0.9442yrs318
Popularity of the first name Turnerr=0.9143yrs314
US dairy skim solids used to produce yogurt, nonfrozenr=0.922yrs312
Gasoline pumped in Israelr=0.9443yrs308
The number of university communications teachers in New Yorkr=0.8819yrs307
Popularity of the first name Blaiser=0.9143yrs304
US production of butterr=0.8822yrs300
Liquefied petroleum gas used in Mauritiusr=0.9442yrs298
The number of university biological science teachers in New Yorkr=0.8719yrs296
Popularity of the first name Oliviar=0.943yrs292
US milk fat used to produce butterr=0.8822yrs290
Petroluem consumption in South Korear=0.9443yrs288
US Wind Power Generation Capacityr=0.8623yrs288
The number of pharmacy technicians in New Yorkr=0.8720yrs286
Popularity of the first name Camiller=0.943yrs282
US production of cheese (other than cottage cheese)r=0.8722yrs278
Global annual electricity generationr=0.8618yrs278
Gasoline pumped in South Korear=0.9343yrs277
The number of pest control workers in New Yorkr=0.8720yrs276
Popularity of the first name Tuckerr=0.943yrs272
Total number of automotive recallsr=0.8443yrs272
UK Service Retail Price Indexr=0.8519yrs271
US milk fat used to produce cheese (excluding cottage cheese)r=0.8722yrs268
Liquefied petroleum gas used in South Korear=0.9343yrs267
The number of financial services sales agents in New Yorkr=0.8720yrs266
Popularity of the first name Skyr=0.943yrs262
US milk fat used to produce sour creamr=0.8722yrs258
Electricity generation in Austriar=0.9142yrs256
The number of building inspectors in New Yorkr=0.8720yrs256
US dairy skim solids used to produce butterr=0.8822yrs248
The number of art directors in New Yorkr=0.8620yrs245
US production of whey products (net)r=0.8622yrs237
Electricity generation in Bruneir=0.9142yrs236
The number of physician assistants in New Yorkr=0.8620yrs235
US production of dry milk products (net)r=0.8622yrs227
Electricity generation in Cayman Islandsr=0.9142yrs226
The number of consultants in New Yorkr=0.8520yrs224
Popularity of the first name Laner=0.943yrs222
US production of yogurt, nonfrozenr=0.8622yrs217
Fossil fuel use in Cayman Islandsr=0.9142yrs216
The number of university economics teachers in New Yorkr=0.8519yrs214
Popularity of the first name Vivianar=0.943yrs212
US dairy skim solids used to produce cheese (other than cottage cheese)r=0.8722yrs207
Electricity generation in Singaporer=0.9142yrs206
The number of nursing instructors and teachers in New Yorkr=0.8619yrs204
Popularity of the first name Skyer=0.943yrs202
US dairy skim solids used to produce sour creamr=0.8722yrs197
The number of producers and directors in New Yorkr=0.8520yrs194
Popularity of the first name Piercer=0.943yrs192
Butter consumptionr=0.8732yrs186
The number of OSHA specialists in New Yorkr=0.8619yrs184
Popularity of the first name Taliar=0.8943yrs181
Yogurt consumptionr=0.8732yrs176
Popularity of the first name Kieranr=0.8943yrs171
US production of sour creamr=0.8522yrs166
Popularity of the first name Isaiasr=0.8943yrs161
US dairy skim solids used to produce whey productsr=0.8622yrs156
Popularity of the first name Maximilianr=0.8943yrs151
US dairy skim solids used to produce dry milk productsr=0.8622yrs146


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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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