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Data source: Environmental Protection Agency
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Air pollution in San Jose, California correlates with...

VariableCorrelationYearsSys. Score
Gasoline pumped in Swedenr=0.6243yrs216
Popularity of the first name Roxanar=0.6943yrs206
Popularity of the first name Britneyr=0.6843yrs204
Popularity of the first name Freddyr=0.6643yrs202
US household spending on fresh milk and creamr=0.7923yrs202
xkcd comics published about the internetr=0.8217yrs197
Physical album shipment volume in the United Statesr=0.7524yrs188
U.S. intercountry adoptionsr=0.7523yrs186
Kerosene used in Bangladeshr=0.6142yrs183
Lloyds Banking Group's stock price (LYG)r=0.7322yrs182
Nokia Oyj's stock price (NOK)r=0.7222yrs181
Gasoline pumped in Norwayr=0.5943yrs181
AIG's stock price (AIG)r=0.7122yrs180
GMO use in cottonr=0.7823yrs174
Popularity of the first name Danaer=0.6643yrs172
Automotive recalls for issues with Vehicle Speed Controlr=0.5143yrs170
US birth rates of triplets or morer=0.7320yrs168
Season wins for the Los Angeles Chargersr=0.837yrs168
US household spending on mortgage interest and chargesr=0.7423yrs165
Points scored by the Los Angeles Chargersr=0.87yrs163
Viewership count of American Idol Season Finaler=0.721yrs162
The number of fiberglass laminators and fabricators in Californiar=0.7420yrs162
US household spending on processed fruitsr=0.7223yrs162
US household spending on postage and stationeryr=0.7223yrs162
US average milk-fat content of milk fat and skim solids byproduct fluid beverage milkr=0.7422yrs161
Asthma prevalence in American childrenr=0.6917yrs161
Popularity of the first name Bryantr=0.6543yrs160
Cigarette Smoking Rate for US adultsr=0.7221yrs160
The number of postal service machine operators in Californiar=0.7220yrs159
US milk fat used to produce fluid beverage milkr=0.722yrs158
The number of prepress technicians and workers in Californiar=0.7120yrs158
National Lacrosse Champions' Final Pointr=0.6725yrs156
Asthma attacks in American childrenr=0.6223yrs156
Burglary rates in the USr=0.5338yrs156
US production of fluid beverage milkr=0.6822yrs155
Automotive recalls issued by Toyotar=-0.7423yrs152
Gasoline pumped in Switzerlandr=0.5943yrs151
Ticket sales for Oakland Athletics gamesr=0.4940yrs151
Total length of SciShow Space YouTube videosr=0.6610yrs151
Popularity of the first name Jaronr=0.6543yrs150
Asthma attacks in American childrenr=0.5823yrs150
Wins for the Oakland Athleticsr=0.4644yrs150
Wins for the Oakland Athleticsr=0.4644yrs150
Asthma attacks in American childrenr=0.5723yrs149
Asthma attacks in American childrenr=0.5723yrs149
Asthma attacks in American childrenr=0.5623yrs148
The distance between Neptune and Uranusr=-0.6144yrs148
GMO use in cottonr=-0.823yrs147
Deutsche Bank Aktiengesellschaft's stock price (DB)r=0.6922yrs146
Hydopower energy generated in Puerto Ricor=0.5742yrs140
Popularity of the first name Orlandor=0.6443yrs138
Orange's stock price (ORAN)r=0.6822yrs135
Kerosene used in Indonesiar=0.5942yrs130
Popularity of the first name Blainer=0.6443yrs128
The number of sewing machine operators in Californiar=0.720yrs126
Citigroup's stock price (C)r=0.6722yrs124
Kerosene used in Macaur=0.5942yrs120
US dairy skim solids used to produce milk fat and skim solids byproduct fluid beverage milkr=0.6622yrs120
Popularity of the first name Marlener=0.6343yrs117
The number of tailors, dressmakers, and custom sewers in Californiar=0.720yrs116
HSBC Holdings' stock price (HSBC)r=0.6622yrs112
Kerosene used in Montserratr=0.6235yrs108
Popularity of the first name Jacquelinr=0.6343yrs107
The number of survey researchers in Californiar=0.6920yrs104
Barclays' stock price (BCS)r=0.6622yrs102
Jet fuel used in Syriar=0.5742yrs97
Popularity of the first name Jillianr=0.6243yrs96
The number of motion picture projectionists in Californiar=0.6920yrs94
Popularity of the first name Stephanyr=0.6243yrs86
Gasoline pumped in Finlandr=0.5643yrs86
The number of upholsterers in Californiar=0.6920yrs84
Popularity of the first name Jeseniar=0.6243yrs76
General Electric's stock price (GE)r=0.6322yrs76
The number of postmasters in Californiar=0.6820yrs73
Biomass power generated in Zambiar=-0.8222yrs66
Vodafone Group's stock price (VOD)r=0.6222yrs61
Gasoline pumped in Greenlandr=-0.6442yrs56
General Mills' stock price (GIS)r=-0.7522yrs50
Gasoline pumped in Gibraltarr=-0.6835yrs42
Gilead Sciences' stock price (GILD)r=-0.7622yrs39
Popularity of the first name Anthonyr=0.6243yrs36
Liquefied petroleum gas used in Greenlandr=0.7222yrs30
Regeneron Pharmaceuticals' stock price (REGN)r=-0.7622yrs29
Popularity of the first name Alysonr=0.6243yrs26
EOG Resources' stock price (EOG)r=-0.7622yrs19
Popularity of the first name Rogelior=0.6243yrs16
Gasoline pumped in United Kingdomr=0.5543yrs15
McKesson's stock price (MCK)r=-0.7522yrs8
Popularity of the first name Antonior=0.6143yrs4
Kerosene used in Japanr=0.5443yrs4
Genuine Parts Company's stock price (GPC)r=-0.7522yrs-2
Popularity of the first name Victorr=0.6143yrs-6
Gasoline pumped in Ukrainer=0.6330yrs-6
ING Groep's stock price (ING)r=0.5922yrs-14
Popularity of the first name Hectorr=0.6143yrs-16
Hydopower energy generated in Syriar=0.5242yrs-18
Banco Santander's stock price (SAN)r=0.5822yrs-25
Popularity of the first name Edwinr=0.6143yrs-26
Kerosene used in Angolar=0.5442yrs-28
NatWest Group's stock price (NWG)r=0.6216yrs-35
Kerosene used in Tunisiar=0.5442yrs-38


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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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