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

VariableCorrelationYearsHas img?
Google searches for 'report UFO sighting'r=0.9120yrsNo



Air pollution in Memphis also correlates with...

VariableCorrelationYearsSys. Score
The number of compensation and benefits managers in Tennesseer=0.9519yrs408
GMO use in cotton in Tennesseer=0.9718yrs392
US birth rates of triplets or morer=0.9220yrs382
Viewership count of American Idol Season Finaler=0.9221yrs380
U.S. intercountry adoptionsr=0.9423yrs380
xkcd comics published about romancer=0.9317yrs378
Google searches for 'learn spanish'r=0.9320yrs377
Google searches for 'oprah winfrey'r=0.9320yrs377
The number of computer programmers in Tennesseer=0.9320yrs377
Physical album shipment volume in the United Statesr=0.9124yrs376
The number of postmasters in Tennesseer=0.9320yrs376
US production of cottage cheeser=0.9122yrs374
US dairy skim solids used to produce cottage cheeser=0.9122yrs373
Pirate attacks globallyr=0.9214yrs372
Geothermal power generated in Austriar=0.9217yrs372
Liquefied petroleum gas used in Greenlandr=0.922yrs372
Google searches for 'desktop background'r=0.9117yrs371
GMO use in cottonr=0.9223yrs360
The divorce rate in Tennesseer=0.8623yrs360
US average milk-fat content of cottage cheeser=0.9522yrs358
US household spending on floor coveringsr=0.9223yrs357
US household spending on prescription drugsr=0.923yrs354
Global Per Capita Rice Consumptionr=0.9120yrs352
Fossil fuel use in Czechiar=0.8729yrs347
The number of sewing machine operators in Tennesseer=0.9120yrs342
Popularity of the 'all your base' memer=0.8718yrs342
Cigarette Smoking Rate for US adultsr=0.8921yrs340
Popularity of the first name Nathanr=0.8743yrs338
UK Public Library Countr=0.9212yrs333
United States music album salesr=0.8716yrs332
Portion of all US dairy skim-solids allocated to the production of fluid beverage milkr=0.9422yrs326
GMO use in cottonr=0.8823yrs324
US household spending on clothin for womenr=0.923yrs324
US household spending on mortgage interest and chargesr=0.8923yrs322
US household spending on postage and stationeryr=0.8923yrs322
US household spending on clothingr=0.8823yrs321
US household spending on vehicle insurancer=0.8823yrs321
US household spending on fresh milk and creamr=0.8623yrs318
Portion of all US dairy skim-solids allocated to the production of frozen dairy productsr=0.9322yrs314
Google searches for 'shook'r=0.8920yrs311
US average milk-fat content of milk fat and skim solids byproduct fluid beverage milkr=0.9322yrs304
Petroluem consumption in Serbiar=0.8716yrs301
The number of ticket agents in Tennesseer=0.920yrs301
Google searches for 'snoop dog'r=0.8820yrs300
US average milk-fat content of frozen dairy productsr=0.9222yrs293
The number of postal service machine operators in Tennesseer=0.920yrs291
Google searches for 'black holes'r=0.8820yrs290
Portion of all US dairy skim-solids allocated to the production of cottage cheeser=0.9122yrs282
The number of switchboard operators in Tennesseer=0.8920yrs280
The number of proofreaders in Tennesseer=0.8919yrs268
US milk fat used to produce fluid beverage milkr=0.8922yrs262
The number of human resources assistants in Tennesseer=0.8720yrs256
AIG's stock price (AIG)r=0.8422yrs249
Citigroup's stock price (C)r=0.8322yrs248
Lloyds Banking Group's stock price (LYG)r=0.8322yrs248
US production of fluid beverage milkr=0.8622yrs247
The number of carpenters in Tennesseer=0.8720yrs246
The marriage rate in Tennesseer=0.823yrs244
The number of payroll and timekeeping clerks in Tennesseer=0.8620yrs235
National Lacrosse Champions' Final Pointr=0.8425yrs232
Popularity of the first name Luzr=0.8243yrs226
Popularity of the first name Abbyr=0.8143yrs224
Number of edits to the Wikipedia article for Thanksgivingr=0.8516yrs219
HSBC Holdings' stock price (HSBC)r=0.8122yrs214
Jet fuel used in Cubar=0.7942yrs200
The number of career/technical education teachers, secondary school in Tennesseer=0.8913yrs192
Popularity of the first name Sethr=0.7943yrs191
Hydopower energy generated in Syriar=0.7642yrs188
Popularity of the first name Karlar=0.7943yrs181
Kerosene used in Indonesiar=0.7842yrs178
Popularity of the first name Josefr=0.7943yrs171
Gasoline pumped in Croatiar=0.8530yrs167
Google searches for 'panama canal'r=0.8220yrs166
Popularity of the first name Jaylanr=0.8434yrs160
Petroluem consumption in Croatiar=0.8430yrs156
Popularity of the first name Jacquelinr=0.7843yrs150
Gasoline pumped in Czechiar=0.8430yrs146
Liquefied petroleum gas used in Kosovor=0.8614yrs138
Popularity of the first name Carlosr=0.7743yrs138
Fossil fuel use in Hungaryr=0.7342yrs134
Popularity of the first name Abbier=0.7743yrs128
US dairy skim solids used to produce milk fat and skim solids byproduct fluid beverage milkr=0.8322yrs126
Nuclear power generation in Germanyr=0.7831yrs120
Popularity of the first name Adolfor=0.7643yrs116
The number of legislators in Tennesseer=0.8520yrs110
Petroluem consumption in Puerto Ricor=0.7242yrs110
Popularity of the first name Antonyr=0.7643yrs106
Gasoline pumped in Irelandr=0.7143yrs99
The number of library technicians in Tennesseer=0.8520yrs98
The number of meter readers, utilities in Tennesseer=0.8520yrs88
Kerosene used in Bangladeshr=0.7142yrs88
The number of chemical plant and system operators in Tennesseer=0.8520yrs78
Petroluem consumption in Francer=0.743yrs78
The number of CEOs in Tennesseer=0.8320yrs67
Petroluem consumption in U.S. Virgin Islandsr=0.7142yrs58
The number of highway maintenance workers in Tennesseer=0.8420yrs57
The number of vending machine repairers in Tennesseer=0.8320yrs47
Fossil fuel use in Netherlands Antillesr=0.6842yrs46
The number of prepress technicians and workers in Tennesseer=0.8420yrs37
Kerosene used in Burkina Fasor=0.742yrs36


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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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