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Data source: Environmental Protection Agency
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Air quality in Erie, Pennsylvania correlates with...

VariableCorrelationYearsSys. Score
Illumina's stock price (ILMN)r=0.9122yrs394
Hormel Foods' stock price (HRL)r=0.9122yrs394
Becton, Dickinson and Company's stock price (BDX)r=0.922yrs393
Popularity of the 'this is fine' memer=0.9118yrs378
Popularity of the 'this is fine' memer=0.9118yrs378
Solar power generated in South Africar=0.9120yrs374
Google searches for 'dollar store near me'r=0.920yrs372
Solar power generated in Surinamer=0.9512yrs372
The number of clergy in Pennsylvaniar=0.920yrs371
The number of OSHA specialists in Pennsylvaniar=0.919yrs370
Wind power generated in Mauritaniar=0.9510yrs370
Patents granted to Dellr=0.9511yrs370
Google searches for 'smol'r=0.920yrs342
Google searches for 'sushi near me'r=0.8820yrs340
The number of merchandise displayers and window trimmers in Pennsylvaniar=0.8920yrs340
Solar power generated in Samoar=0.9115yrs339
Google's Advertising Revenuer=0.8722yrs338
Google's annual advertising revenuer=0.8722yrs338
Patents granted to Samsung Electronicsr=0.9312yrs338
Patents granted to Mitsubishir=0.9312yrs338
Google's Annual Global Revenuer=0.8621yrs336
Total NBA League Revenuer=0.8621yrs336
The Walt Disney Company's stock price (DIS)r=0.8822yrs334
Total length of Steve Mould's YouTube videosr=0.8815yrs329
Solar power generated in Rwandar=0.915yrs328
Total length of Matt Parker's YouTube videosr=0.8813yrs327
Total length of The Game Theorists YouTube videosr=0.8515yrs324
Amgen's stock price (AMGN)r=0.8922yrs322
Associates degrees awarded in Communicationr=0.9411yrs320
Bachelor's degrees awarded in Health professionsr=0.9410yrs320
Master's degrees awarded in journalismr=0.9410yrs320
Wind power generated in Uruguayr=0.9114yrs318
Ryanair Holdings' stock price (RYAAY)r=0.8922yrs312
Jet fuel used in South Sudanr=0.9610yrs308
Google searches for 'no cap'r=0.8720yrs308
The number of social workers in Pennsylvaniar=0.8820yrs308
University Lecturer salaries in the USr=0.8513yrs304
Paypal's Number of Active Registered User Accountsr=0.8813yrs301
Lockheed Martin's stock price (LMT)r=0.8622yrs300
The number of pharmacists in Pennsylvaniar=0.8720yrs298
Google searches for 'avocado toast'r=0.8916yrs297
Fiserv's stock price (FI)r=0.8822yrs290
The number of veterinarians in Pennsylvaniar=0.8820yrs288
Associates degrees awarded in Mathematics and statisticsr=0.9311yrs288
Google searches for 'what is my zodiac sign'r=0.8520yrs285
Ecolab's stock price (ECL)r=0.8822yrs280
The number of pharmacy technicians in Pennsylvaniar=0.8720yrs276
Associates degrees awarded in Physical sciencesr=0.9211yrs276
Biomass power generated in Cambodiar=0.919yrs272
American Electric Power Company's stock price (AEP)r=0.8822yrs270
The number of athletic trainers in Pennsylvaniar=0.8720yrs266
Associates degrees awarded in Historyr=0.9211yrs266
Wind power generated in Chiler=0.8921yrs262
Ross Stores' stock price (ROST)r=0.8822yrs260
The number of criminal justice and law enforcement teachers in Pennsylvaniar=0.8620yrs255
Associates degrees awarded in Engineeringr=0.9111yrs255
Fidelity National Information Services' stock price (FIS)r=0.8822yrs250
Wind power generated in Philippinesr=0.917yrs250
Associates degrees awarded in Philosophy and religious studiesr=0.9111yrs245
The number of mechanical engineers in Pennsylvaniar=0.8520yrs244
Brown-Forman's stock price (BF.A)r=0.8822yrs240
Wind power generated in South Africar=0.8919yrs240
Associates degrees awarded in Psychologyr=0.9111yrs235
The number of truck drivers in Pennsylvaniar=0.913yrs234
Google searches for 'instagram'r=0.8913yrs234
WEC Energy Group's stock price (WEC)r=0.8822yrs230
Biomass power generated in Sri Lankar=0.917yrs230
Ticket prices at North American movie theatersr=0.8322yrs230
US milk fat used to produce dry milk productsr=0.8422yrs229
Microsoft's Worldwide Earningsr=0.8421yrs228
Annual Revenue of the Lego Groupr=0.8520yrs228
CGI Inc.'s stock price (GIB)r=0.8822yrs220
Geothermal power generated in Germanyr=0.8918yrs219
Eversource Energy's stock price (ES)r=0.8822yrs210
Solar power generated in Kiribatir=0.8917yrs208
Bachelor's degrees awarded in biomedical sciencesr=0.9310yrs208
Johnson & Johnson's stock price (JNJ)r=0.8722yrs198
Solar power generated in Pakistanr=0.9212yrs198
Bachelor's degrees awarded in Engineeringr=0.9210yrs197
Medtronic's stock price (MDT)r=0.8722yrs188
Solar power generated in Tanzaniar=0.9212yrs188
Google searches for 'i have a headache'r=0.8320yrs187
Master's degrees awarded in Biological and biomedical sciencesr=0.9210yrs187
Constellation Brands' stock price (STZ)r=0.8722yrs178
Solar power generated in Hondurasr=0.9310yrs177
Master's degrees awarded in information sciencesr=0.9210yrs177
Realty Income's stock price (O)r=0.8722yrs168
Master's degrees awarded in Public administrationr=0.9210yrs167
Solar power generated in Arubar=0.9112yrs166
Solar power generated in Ecuadorr=0.8817yrs156
Bachelor's degrees awarded in Agriculturer=0.9110yrs156
Google searches for 'who is jk rowling'r=0.8420yrs148
Bachelor's degrees awarded in Parks & Recreationr=0.9110yrs146
Solar power generated in Philippinesr=0.8717yrs145
Google searches for 'buy a house'r=0.8420yrs138
Master's degrees awarded in Health professions and related programsr=0.9110yrs136
Google searches for 'tummy ache'r=0.8220yrs126
The number of personal financial advisors in Pennsylvaniar=0.8420yrs117
Google searches for 'best colleges'r=0.8220yrs116
Google searches for 'spurious correlations'r=0.8220yrs106
The number of property association managers in Pennsylvaniar=0.8320yrs106


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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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