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Data source: Environmental Protection Agency
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Air pollution in Olympia, Washington correlates with...

VariableCorrelationYearsHas img?
US household spending on postage and stationeryr=0.8623yrsYes!



Air pollution in Olympia, Washington also correlates with...

VariableCorrelationYearsSys. Score
The number of cashiers in Washingtonr=0.8620yrs335
Bachelor's degrees awarded in Liberal artsr=0.8810yrs261
How fun SciShow Space YouTube video titles arer=0.8610yrs246
Petroluem consumption in Puerto Ricor=0.836yrs236
Liquefied petroleum gas used in Djiboutir=0.7833yrs230
Liquefied petroleum gas used in Lithuaniar=0.831yrs230
The number of data entry keyers in Washingtonr=0.8320yrs226
U.S. intercountry adoptionsr=0.823yrs224
GMO use in cottonr=0.8423yrs213
Popularity of the first name Tobyr=0.7737yrs212
Popularity of the first name Trinityr=0.7637yrs210
Popularity of the first name Kater=0.7437yrs208
AIG's stock price (AIG)r=0.7522yrs206
Lloyds Banking Group's stock price (LYG)r=0.7422yrs204
US household spending on clothin for womenr=0.823yrs204
US average milk-fat content of frozen dairy productsr=0.8222yrs203
US birth rates of triplets or morer=0.8220yrs202
Portion of all US dairy skim-solids allocated to the production of fluid beverage milkr=0.8122yrs202
US household spending on prescription drugsr=0.7923yrs202
US household spending on clothingr=0.7823yrs201
Portion of all US dairy skim-solids allocated to the production of frozen dairy productsr=0.822yrs200
The distance between Neptune and Saturnr=0.6638yrs200
Jet fuel used in Barbadosr=0.7436yrs196
The number of typists in Washingtonr=0.8120yrs192
Google searches for 'panama canal'r=0.7920yrs191
Google searches for 'Panama Canal'r=0.7820yrs190
Cigarette Smoking Rate for US adultsr=0.7721yrs188
Google searches for 'shook'r=0.7720yrs188
The Coca-Cola Company's stock price (KO)r=-0.822yrs188
Value of the Victoria's Secret Annual Fantasy Brar=0.7424yrs186
US Barley Production Volumer=0.7523yrs186
Physical album shipment volume in the United Statesr=0.7224yrs183
Biomass power generated in Kenyar=0.6936yrs182
Automotive recalls for issues with Service Brakes, Airr=0.5937yrs176
Popularity of the first name Aidanr=0.7337yrs176
Ticket prices at North American movie theatersr=-0.8622yrs172
Jet fuel used in Albaniar=0.7629yrs172
US average milk-fat content of milk fat and skim solids byproduct fluid beverage milkr=0.822yrs170
US household spending on fresh milk and creamr=0.7723yrs170
US household spending on transportationr=0.7723yrs170
xkcd comics published about the internetr=0.7717yrs170
Total comments on minutephysics YouTube videosr=0.7613yrs169
US household spending on clothing for menr=0.7623yrs168
U.S. direct investment abroadr=-0.8122yrs166
Popularity of the first name Alexiar=0.7337yrs166
Kerosene used in Sierra Leoner=0.7136yrs162
The number of couriers and messengers in Washingtonr=0.7920yrs160
McDonald's stock price (MCD)r=-0.822yrs158
Popularity of the first name Nadiar=0.7337yrs156
The number of postal service machine operators in Washingtonr=0.7920yrs150
Petroluem consumption in U.S. Virgin Islandsr=0.736yrs150
Novartis AG's stock price (NVS)r=-0.8322yrs146
Popularity of the first name Annikar=0.7337yrs146
US production of cottage cheeser=0.7422yrs144
The number of boiler operators in Washingtonr=0.7920yrs140
Gasoline pumped in Puerto Ricor=0.6936yrs139
Southern Copper's stock price (SCCO)r=-0.8222yrs135
US milk fat used to produce fluid beverage milkr=0.7422yrs134
Popularity of the first name Gracer=0.7237yrs134
The number of bill collectors in Washingtonr=0.7720yrs128
Royal Bank of Canada's stock price (RY)r=-0.8122yrs124
Popularity of the first name Jadenr=0.7237yrs124
US dairy skim solids used to produce cottage cheeser=0.7422yrs122
BlackRock's stock price (BLK)r=-0.8122yrs114
Popularity of the first name Americar=0.7237yrs114
Colgate-Palmolive Company's stock price (CL)r=-0.8122yrs104
Popularity of the first name Faithr=0.7137yrs103
US production of sour creamr=-0.8522yrs98
The number of commercial pilots in Washingtonr=-0.8720yrs98
Fossil fuel use in Czechiar=0.729yrs96
Sempra's stock price (SRE)r=-0.8122yrs94
Popularity of the first name Kylar=0.7137yrs93
Fossil fuel use in New Zealandr=0.6536yrs86
Kellogg's stock price (K)r=-0.8122yrs84
Popularity of the first name Angelinar=0.7137yrs83
Electricity generation in United Kingdomr=0.6536yrs76
Popularity of the first name Camronr=0.7137yrs73
Vertex Pharmaceuticals' stock price (VRTX)r=-0.822yrs73
Liquefied petroleum gas used in Burundir=0.6636yrs64
Popularity of the first name Aracelyr=0.7137yrs63
Becton, Dickinson and Company's stock price (BDX)r=-0.822yrs63
Liquefied petroleum gas used in Greenlandr=0.7522yrs54
Popularity of the first name Jaylanr=0.7334yrs53
Canadian National Railway Company's stock price (CNI)r=-0.822yrs53
Gasoline pumped in Irelandr=0.6537yrs44
PACCAR's stock price (PCAR)r=-0.822yrs43
Popularity of the first name Jadar=0.737yrs42
Jet fuel used in U.S. Virgin Islandsr=0.6636yrs34
Cognizant Technology Solutions' stock price (CTSH)r=-0.822yrs33
Popularity of the first name Braedenr=0.6937yrs30
Brown-Forman's stock price (BF.A)r=-0.822yrs23
Gasoline pumped in U.S. Virgin Islandsr=0.6536yrs23
Popularity of the first name Bradenr=0.6837yrs18
Fossil fuel use in Sloveniar=0.6630yrs12
Citigroup's stock price (C)r=0.7222yrs11
Popularity of the first name Jaylenr=0.7132yrs8
Fossil fuel use in Spainr=0.6236yrs2
General Electric's stock price (GE)r=0.6822yrs-2
Liquefied petroleum gas used in Grenadar=0.6535yrs-8
HSBC Holdings' stock price (HSBC)r=0.6822yrs-15


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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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