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

VariableCorrelationYearsSys. Score
Renewable energy production in British Virgin Islandsr=0.9212yrs338
Total length of SciShow Space YouTube videosr=0.910yrs337
Biomass power generated in Solomon Islandsr=0.8716yrs334
Bachelor's degrees awarded in Parks & Recreationr=0.9110yrs296
Associates degrees awarded in Communicationr=0.911yrs294
How cool The Game Theorists YouTube video titles arer=0.8715yrs288
The number of compliance officers in Pennsylvaniar=0.8713yrs280
Patents granted to LG Electronicsr=0.8812yrs280
Patents granted to Toyotar=0.8812yrs280
Patents granted to Dellr=0.8911yrs280
Patents granted to Mitsubishir=0.8712yrs278
Average milk produced per cow in the USr=0.8343yrs272
Total number of automotive recallsr=0.7843yrs262
Automotive recalls issued by BMW of North Americar=0.7243yrs256
Automotive recalls for issues with the Electrical Systemr=0.7343yrs254
Total geothermal power generated globallyr=0.8442yrs250
Automotive recalls issued by Hondar=0.6743yrs249
USA Populationr=0.8343yrs248
Hotdogs consumed by Nathan's Hot Dog Eating Competition Championr=0.7843yrs247
Automotive recalls for issues with the Power Trainr=0.6843yrs246
Automotive recalls issued by Hyundai Motor Americar=0.6937yrs246
Customer satisfaction with Appler=0.7728yrs246
Patents granted in the USr=0.7741yrs245
Customer satisfaction with Dillard'sr=0.7727yrs245
Automotive recalls issued by Nissan North Americar=0.6443yrs244
Total number of live births in Australiar=0.7943yrs242
US Annual Tax Revenuer=0.7942yrs242
Automotive recalls for issues with Exterior Lightingr=0.6543yrs242
Patents granted in the USr=0.7641yrs240
Budget for largest movie productionr=0.7443yrs238
Intel Corporation's annual revenuer=0.7936yrs236
Number of Lawyers in the United Statesr=0.7434yrs234
UFO sightings in Pennsylvaniar=0.6742yrs231
Annual Revenue of Walt Disney Companyr=0.7532yrs228
Number of households headed by single fathers in the United Statesr=0.7532yrs227
Popularity of the first name Callier=0.8343yrs227
Popularity of the first name Aldenr=0.8343yrs227
Popularity of the first name Vivianr=0.8243yrs226
Inflation in the USr=0.7531yrs224
Gender pay gap in the U.S.r=0.7232yrs224
Global count of operating nuclear power plantsr=0.6643yrs223
UEFA European Cup and Champions League Top Scorer's Goal Countr=0.6443yrs220
The number of movies Tom Hanks appeared inr=0.7244yrs220
Renewable energy production in Cameroonr=0.8442yrs220
Butter consumptionr=0.7632yrs214
Italian-type cheese consumptionr=0.7927yrs214
The distance between Uranus and Mercuryr=0.7244yrs214
The number of movies Willem Dafoe appeared inr=0.6844yrs214
Google searches for 'President phone number'r=0.7820yrs212
Google searches for 'i have the flu'r=0.820yrs212
Renewable energy production in Canadar=0.8442yrs210
Automotive recalls issued by Mercedes-Benz USAr=0.643yrs208
Number of public school students in 12th grader=0.7433yrs208
The distance between Uranus and Earthr=0.6844yrs208
The distance between Uranus and the moonr=0.6844yrs208
Automotive recalls issued by Chryslerr=0.5943yrs207
Renewable energy production in Brazilr=0.8342yrs199
Popularity of the first name Emilior=0.8243yrs196
Renewable energy production in Chiler=0.8342yrs189
Popularity of the first name Leonelr=0.8243yrs186
Hispanic cheese consumptionr=0.826yrs184
Electricity generation in Colombiar=0.8342yrs179
Popularity of the first name Mosher=0.8243yrs176
Milk-fat consumptionr=0.7532yrs173
Total Sales at Clothing and Accessories Storesr=0.7131yrs172
Total hydopower energy generated globallyr=0.8242yrs168
Popularity of the first name Lianar=0.8243yrs166
Number of Registered Vehicles in the USr=0.7232yrs166
Yogurt consumptionr=0.7432yrs162
Number of Las Vegas Hotel Room Check-Insr=0.6834yrs160
Electricity generation in Brazilr=0.8242yrs158
Popularity of the first name Amarisr=0.8243yrs156
Automotive recalls issued by Volkswagen Group of Americar=0.5843yrs156
Number of firearms manufactured in the USr=0.6736yrs153
Mozzarella cheese consumptionr=0.7827yrs152
Automotive recalls issued by Porscher=0.5843yrs151
Electricity generation in Cayman Islandsr=0.8242yrs148
Popularity of the first name Julianr=0.8143yrs144
Fossil fuel use in Cayman Islandsr=0.8242yrs138
American cheese consumptionr=0.7132yrs137
Popularity of the first name Nolanr=0.8143yrs134
Renewable energy production in Colombiar=0.8242yrs128
Popularity of the first name Ceciliar=0.8143yrs124
Hydopower energy generated in Colombiar=0.8242yrs118
Popularity of the first name Tuckerr=0.8143yrs114
Electricity generation in Costa Ricar=0.8242yrs108
Popularity of the first name Elainar=0.8143yrs104
Electricity generation in Libyar=0.8242yrs98
Popularity of the first name Holdenr=0.8143yrs94
Fossil fuel use in Libyar=0.8242yrs88
Popularity of the first name Piercer=0.8143yrs84
Electricity generation in Nigeriar=0.8242yrs78
Popularity of the first name Ceceliar=0.8143yrs74
Hydopower energy generated in Pakistanr=0.8242yrs68
US Bottled Water Consumption per Personr=0.7824yrs68
Popularity of the first name Aliar=0.8143yrs64
Electricity generation in Argentinar=0.8142yrs56
The number of Breweries in the United Statesr=0.733yrs56
Popularity of the first name Ibrahimr=0.8143yrs54
Popularity of the first name Annaliser=0.8143yrs44
Popularity of the first name Chaimr=0.8143yrs34


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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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