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Data source: Environmental Protection Agency
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Air pollution in Altoona, Pennsylvania correlates with...

VariableCorrelationYearsSys. Score
Associates degrees awarded in Legal professions and studiesr=0.9611yrs382
Associates degrees awarded in Visual and performing artsr=0.9611yrs382
Associates degrees awarded in Health professionsr=0.9511yrs381
Popularity of the 'first world problems' memer=0.8918yrs345
Google searches for 'pick up lines'r=0.8820yrs340
Google searches for 'zombies'r=0.8520yrs335
The number of microbiologists in Pennsylvaniar=0.8618yrs334
Bachelor's degrees awarded in Philosophyr=0.9610yrs323
Cenovus Energy's stock price (CVE)r=0.8614yrs319
How fun Extra History YouTube video titles arer=0.912yrs319
Master's degrees awarded in literaturer=0.9510yrs312
Patents granted to Toshibar=0.8912yrs302
Master's degrees awarded in Social sciences and historyr=0.9510yrs302
Associates degrees awarded in Accountingr=0.9511yrs291
The number of labor relations specialists in Pennsylvaniar=0.8711yrs278
How trendy Extra History YouTube video titles arer=0.8612yrs263
Bachelor's degrees awarded in Social sciences and historyr=0.9510yrs252
The number of special education teachers in Pennsylvaniar=0.8711yrs248
Associates degrees awarded in Business managementr=0.9411yrs240
Associates degrees awarded in Business operationsr=0.9411yrs230
Google searches for 'Nicolas Cage'r=0.8420yrs228
The number of music directors and composers in Pennsylvaniar=0.8420yrs227
Global plane crashesr=0.6542yrs220
Associates degrees awarded in Practical nursingr=0.9411yrs220
International Business Machines' stock price (IBM)r=0.7922yrs212
Associates degrees awarded in law enforcementr=0.9411yrs210
Popularity of the 'scumbag steve' memer=0.8218yrs200
Bachelor's degrees awarded in Educationr=0.9410yrs200
Google searches for 'vihart'r=0.8420yrs198
Popularity of the 'y u no' memer=0.8118yrs198
Global revenue generated by McDonald'sr=0.8318yrs194
Number of pirate attacks in Indonesiar=0.7915yrs192
Bachelor's degrees awarded in literaturer=0.9410yrs190
Global shipwrecks r=0.6434yrs187
The price of goldr=0.6334yrs184
Gasoline pumped in Chadr=0.5941yrs179
Associates degrees awarded in Businessr=0.9311yrs178
Patents granted to Mitsubishir=-0.9612yrs169
Renewable energy production in Botswanar=-0.9610yrs168
Solar power generated in Botswanar=-0.9610yrs168
Patents granted to Intelr=-0.9512yrs168
Associates degrees awarded in information sciencesr=0.9311yrs168
Popularity of the first name Aubreer=0.6142yrs163
Popularity of the first name Brynr=0.6142yrs163
Popularity of the first name Macir=0.642yrs162
Instructor salaries in the USr=-0.8813yrs160
Total likes of Vihart's YouTube videosr=0.6915yrs160
Michael Schumacher's Formula One Rankingr=0.7321yrs158
Ecopetrol's stock price (EC)r=0.7115yrs158
Associates degrees awarded in Criminal justice and correctionsr=0.9311yrs158
Amount spent on Pet Gifts on Valentine's Day in the USr=0.849yrs157
Cristiano Ronaldo's domestic league goal tallyr=0.7119yrs156
Google searches for 'Vihart'r=0.8317yrs154
The number of interpreters and translators in Pennsylvaniar=0.8220yrs154
Average temperature in Perthr=0.5342yrs154
McDonald's American Customer Satisfaction Index Scorer=-0.7323yrs150
Number of Public Library Members in the UKr=0.812yrs150
Bachelor's degrees awarded in linguisticsr=0.9310yrs148
Automotive recalls for issues with Visibilityr=0.4742yrs148
Automotive recalls for issues with Latches/Locks/Linkagesr=0.4642yrs147
Australia's Per Capita GDPr=0.7614yrs144
Patents granted to Sonyr=0.7712yrs144
The number of university economics teachers in Pennsylvaniar=0.7920yrs141
Google searches for 'how to cure a hangover'r=0.7820yrs140
Popularity of the 'success kid' memer=0.7618yrs140
Global sales revenue of elevators and escalatorsr=0.777yrs140
Associates degrees awarded in Engineering technologiesr=0.9211yrs136
Google searches for 'stop hitting yourself'r=0.7820yrs130
Popularity of the 'trollface' memer=0.7618yrs130
Total comments on Vihart's YouTube videosr=0.6915yrs130
The number of social and human service assistants in Pennsylvaniar=0.7820yrs128
Jet fuel used in Maldivesr=0.5741yrs126
Associates degrees awarded in health assistancer=0.9111yrs125
Occidental Petroleum's stock price (OXY)r=0.6122yrs120
Popularity of the 'not sure if' memer=0.7518yrs119
The number of gas compressor and gas pumping station operators in Pennsylvaniar=0.7820yrs118
Petroluem consumption in Gabonr=0.5641yrs114
Popularity of the 'trollface' memer=0.7518yrs109
Average number of comments on Numberphile YouTube videosr=0.6213yrs108
Petroluem consumption in Afghanistanr=0.5541yrs103
BHP Group's stock price (BHP)r=0.5622yrs102
Total comments on minutephysics YouTube videosr=0.6213yrs98
Google searches for 'easy bake oven'r=0.7916yrs97
Popularity of the 'bazinga' memer=0.7218yrs94
The Williams Companies' stock price (WMB)r=0.5622yrs92
Gasoline pumped in Afghanistanr=0.5341yrs90
Google searches for 'bing'r=0.7520yrs85
Total length of Vihart's YouTube videosr=0.5815yrs84
Petroluem consumption in Jordanr=0.5241yrs78
Google searches for 'how to delete browsing history'r=0.7420yrs74
The number of university biological science teachers in Pennsylvaniar=0.6920yrs74
Total length of LEMMiNO YouTube videosr=0.5912yrs72
Petroluem consumption in Sierra Leoner=0.5241yrs68
The number of university political science teachers in Pennsylvaniar=0.6920yrs64
Google searches for 'facebook'r=0.7518yrs63
Average number of comments on Vihart's YouTube videosr=0.5615yrs61
Jet fuel used in Brazilr=0.5141yrs57
The number of boiler operators in Pennsylvaniar=0.6820yrs53
Google searches for 'Minute Physics'r=0.7317yrs49
Gasoline pumped in Congo-Kinshasar=0.541yrs46
Google searches for 'im not even mad'r=0.720yrs38


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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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