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Data source: Environmental Protection Agency
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Air quality in Springfield, Massachusetts correlates with...

VariableCorrelationYearsHas img?
Google searches for 'flights to Antarctica'r=0.8920yrsYes!


Air quality in Springfield, Massachusetts also correlates with...

VariableCorrelationYearsSys. Score
U.S. direct investment abroadr=0.9622yrs414
US production of cheese (other than cottage cheese)r=0.9722yrs414
US milk fat used to produce cheese (excluding cottage cheese)r=0.9722yrs414
Wind power generated in Czechiar=0.9622yrs414
US dairy skim solids used to produce cheese (other than cottage cheese)r=0.9722yrs412
Economic output of Washington metro arear=0.9621yrs411
Wind power generated in Lithuaniar=0.9618yrs410
Adidas Group's Global Net Salesr=0.9523yrs408
Total Revenue of the NFL Teamsr=0.9520yrs408
Patents granted to LG Electronicsr=0.9612yrs402
Realty Income's stock price (O)r=0.9422yrs399
GMO use in cottonr=0.9623yrs396
Dominion Energy's stock price (D)r=0.9222yrs396
Hormel Foods' stock price (HRL)r=0.9222yrs396
Annual US household spending on telephone servicesr=0.9723yrs394
The average number of likes on SmarterEveryDay YouTube videosr=0.917yrs394
Annual US household spending on rented dwellingsr=0.9623yrs393
Annual US household spending on health insurancer=0.9623yrs393
US household spending on health insurancer=0.9623yrs393
Annual US household spending on healthcarer=0.9523yrs392
US household spending on healthcarer=0.9523yrs392
Biomass power generated in Indiar=0.9523yrs383
Total employee count at Continental AGr=0.9324yrs381
US production of sour creamr=0.9522yrs380
Ticket prices at North American movie theatersr=0.9322yrs380
Google searches for 'tummy ache'r=0.9520yrs380
Popularity of the 'this is fine' memer=0.9218yrs380
The number of statisticians in Massachusettsr=0.9420yrs378
US Wind Power Generation Capacityr=0.9223yrs377
Google searches for 'smol'r=0.9320yrs377
The number of social and community service managers in Massachusettsr=0.9420yrs377
The number of pharmacy technicians in Massachusettsr=0.9420yrs377
Global annual electricity generationr=0.9218yrs372
UK Service Retail Price Indexr=0.9219yrs372
China's Annual Passenger Car Productionr=0.9218yrs372
Global revenue generated by Adidasr=0.9317yrs372
Revenue of US Broadcasting Industryr=0.9317yrs372
Patents granted to Intelr=0.9512yrs370
Patents granted to Mitsubishir=0.9412yrs369
Percentage of Americans with social media profilesr=0.9114yrs368
GMO use in cornr=0.9524yrs368
Novartis AG's stock price (NVS)r=0.9122yrs364
US household spending on rented dwellingsr=0.9523yrs362
Average number of comments on SmarterEveryDay YouTube videosr=0.8817yrs361
Average length of Tom Scott's YouTube videosr=0.8915yrs360
Annual US household spending on fresh fruitsr=0.9323yrs358
Annual US household spending on fresh vegetablesr=0.9223yrs357
Sempra's stock price (SRE)r=0.9122yrs354
Hydopower energy generated in Greenlandr=0.9323yrs350
US average milk-fat content of cheese (other than cottage cheese)r=0.9622yrs349
The number of interpreters and translators in Massachusettsr=0.9320yrs346
Kimberly-Clark's stock price (KMB)r=0.9122yrs344
Biomass power generated in Lithuaniar=0.9421yrs340
Cognizant Technology Solutions' stock price (CTSH)r=0.9122yrs334
The number of personal financial advisors in Massachusettsr=0.9219yrs333
Biomass power generated in Mozambiquer=0.9422yrs330
Google searches for 'i have a headache'r=0.8820yrs330
US production of dry milk products (net)r=0.9322yrs328
The number of biolmedical engineers in Massachusettsr=0.9216yrs320
Wind power generated in Taiwanr=0.9322yrs319
US production of butterr=0.9222yrs316
Biomass power generated in Zambiar=0.9322yrs309
Organic Food Sales Volume in the United Statesr=0.9213yrs309
US milk fat used to produce butterr=0.9222yrs306
US per-person consumption of bottled waterr=0.9424yrs301
Biomass power generated in Papua New Guinear=0.9222yrs298
US milk fat used to produce yogurtr=0.9222yrs296
The Coca-Cola Company's stock price (KO)r=0.8822yrs294
US Tree Nut Consumption per Personr=0.9222yrs291
Jet fuel used in Samoar=0.9422yrs288
US dairy skim solids used to produce dry milk productsr=0.9322yrs286
CVS stock price (CVS)r=0.8922yrs284
US dairy skim solids used to produce yogurt, nonfrozenr=0.9322yrs276
Biomass power generated in Latviar=0.9221yrs276
The Walt Disney Company's stock price (DIS)r=0.8722yrs273
US Bottled Water Consumption per Personr=0.9424yrs267
Wind power generated in Tunisiar=0.9122yrs266
US milk fat used to produce sour creamr=0.9122yrs264
Colgate-Palmolive Company's stock price (CL)r=0.922yrs263
Gasoline pumped in Cook Islandsr=0.9322yrs256
US dairy skim solids used to produce butterr=0.9222yrs254
Equity Residential's stock price (EQR)r=0.922yrs253
Geothermal power generated in Germanyr=0.9318yrs245
US dairy skim solids used to produce sour creamr=0.9122yrs243
Kellogg's stock price (K)r=0.922yrs243
Biomass power generated in Sri Lankar=0.9317yrs234
Unilever's stock price (UL)r=0.8922yrs232
Muenster cheese consumptionr=0.9127yrs227
Gasoline pumped in Kiribatir=0.9222yrs224
Altria Group's stock price (MO)r=0.8922yrs222
Jet fuel used in Sao Tome and Principer=0.9222yrs214
Becton, Dickinson and Company's stock price (BDX)r=0.8922yrs212
Portion of all US dairy skim-solids allocated to the production of cheese (other than cottage cheese)r=0.9322yrs206
Solar power generated in Belgiumr=0.9118yrs202
Biogen's stock price (BIIB)r=0.8922yrs202
Solar power generated in Guinear=0.9413yrs192
Edison International's stock price (EIX)r=0.8922yrs192
Solar power generated in Kiribatir=0.9217yrs182
WEC Energy Group's stock price (WEC)r=0.8922yrs182
AvalonBay Communities' stock price (AVB)r=0.8922yrs172


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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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