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Data source: Environmental Protection Agency
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Air quality in Portland, Oregon correlates with...

VariableCorrelationYearsHas img?
Gasoline pumped in French Polynesiar=0.5942yrsNo
Average milk produced per cow in the USr=0.4943yrsNo
Average number of milk cows in the United Statesr=-0.5443yrsNo


Air quality in Portland, Oregon also correlates with...

VariableCorrelationYearsSys. Score
The number of movies Emma Thompson appeared inr=0.6542yrs208
Electricity generation in Saint Pierre and Miquelonr=0.642yrs184
Fossil fuel use in Saint Pierre and Miquelonr=0.642yrs184
Geothermal power generated in United Statesr=0.642yrs184
Global count of operating nuclear power plantsr=0.5743yrs180
Total length of 'Be Smart' science YouTube videosr=0.7911yrs172
Popularity of the first name Kayceer=0.643yrs162
Popularity of the first name Stormr=0.643yrs162
Popularity of the first name Dimitrir=0.643yrs162
Customer satisfaction with HuffPostr=0.7111yrs155
Biomass power generated in United Statesr=0.5942yrs153
Automotive recalls for issues with the Seatsr=0.4643yrs148
Petroluem consumption in Guinea-Bissaur=0.642yrs142
Google searches for 'how to hide a body'r=0.5320yrs140
The Coca-Cola Company's stock price (KO)r=0.522yrs138
Regeneron Pharmaceuticals' stock price (REGN)r=0.5222yrs136
Average number of comments on PBS Space Time YouTube videosr=0.639yrs136
Vertex Pharmaceuticals' stock price (VRTX)r=0.5122yrs134
xkcd comics published about puzzlesr=0.6317yrs134
The distance between Uranus and Mercuryr=0.5144yrs133
Google searches for 'how to move to europe'r=0.4620yrs132
Google searches for 'i have a headache'r=0.520yrs132
The distance between Uranus and Earthr=0.544yrs132
The distance between Uranus and the moonr=0.544yrs132
Popularity of the first name Thaliar=0.5943yrs131
Hydopower energy generated in Gabonr=0.5742yrs130
USA Populationr=0.4743yrs130
Customer satisfaction with Motorolar=0.518yrs130
Highest Nielsen rating for a TV show each yearr=-0.5741yrs129
Rolls-Royce annual production volumer=0.6217yrs128
Total number of live births in Australiar=0.4543yrs126
Popularity of the 'pepe' memer=0.5418yrs122
How trendy PBS Space Time YouTube video titles arer=0.749yrs122
Popularity of the first name Houstonr=0.5943yrs121
Nuclear power generation in Spainr=0.5742yrs120
xkcd comics published about historyr=0.5417yrs120
xkcd comics published about geographyr=0.5417yrs120
The number of biological technicians in Oregonr=0.5220yrs114
Customer satisfaction with YouTuber=0.4812yrs112
Popularity of the first name Harleyr=0.5843yrs110
McKesson's stock price (MCK)r=0.5122yrs104
Liquefied petroleum gas used in Greecer=0.5843yrs100
Popularity of the first name Katerinar=0.5843yrs100
Google searches for 'i cant even'r=0.4820yrs100
The distance between Uranus and the Sunr=0.4944yrs100
McDonald's stock price (MCD)r=0.4722yrs93
Jet fuel used in Guinea-Bissaur=0.5942yrs90
Average length of Matt Parker's YouTube videosr=0.4913yrs88
Popularity of the first name Mohammadr=0.5643yrs86
Google searches for 'i am tired'r=0.5620yrs85
Dollar Tree's stock price (DLTR)r=0.4822yrs83
Petroluem consumption in South Korear=0.5843yrs80
The average number of likes on PBS Space Time YouTube videosr=0.499yrs74
Walmart's stock price (WMT)r=0.4522yrs72
Petroluem consumption in U.S. Pacific Islandsr=0.5942yrs70
Popularity of the first name Mandyr=-0.6543yrs68
Google searches for 'i am dizzy'r=0.5420yrs68
Bristol-Myers Squibb's stock price (BMY)r=0.4922yrs62
Jet fuel used in U.S. Pacific Islandsr=0.5942yrs60
Google searches for 'tummy ache'r=0.5320yrs57
Popularity of the first name Shaunr=-0.6343yrs56
Colgate-Palmolive Company's stock price (CL)r=0.4922yrs52
Liquefied petroleum gas used in Mexicor=0.5743yrs48
Google searches for 'highest paying jobs'r=0.5320yrs47
Popularity of the first name Ritar=-0.6343yrs46
Monster Beverage's stock price (MNST)r=0.4922yrs42
Gasoline pumped in South Korear=0.5743yrs38
Popularity of the first name Annetter=-0.6343yrs36
Google searches for 'what is the FDIC'r=0.5220yrs36
W.W. Grainger's stock price (GWW)r=0.4922yrs32
Petroluem consumption in Colombiar=0.5742yrs27
Popularity of the first name Marionr=-0.6343yrs26
Google searches for 'how to go to space'r=0.5220yrs26
Novo Nordisk's stock price (NVO)r=0.4822yrs20
Jet fuel used in Maltar=0.5742yrs17
Popularity of the first name Belindar=-0.6343yrs16
Google searches for 'cold shower'r=0.5120yrs14
The TJX Companies' stock price (TJX)r=0.4822yrs10
Liquefied petroleum gas used in Swedenr=0.5643yrs6
Popularity of the first name Sonjar=-0.6343yrs6
Google searches for 'tetanus'r=0.5120yrs4
Cigna's stock price (CI)r=0.4822yrs0
Popularity of the first name Heidir=-0.6243yrs-6
Google searches for 'do i need to go to the doctor'r=0.5120yrs-6
Kroger's stock price (KR)r=0.4722yrs-10
Popularity of the first name Pamelar=-0.6243yrs-16
Google searches for 'lost my wallet'r=0.5317yrs-16
Chunghwa Telecom Co.'s stock price (CHT)r=0.4920yrs-20
Hydopower energy generated in Burundir=0.5642yrs-22
Popularity of the first name Tanyar=-0.6243yrs-26
Google searches for 'velociraptor'r=0.5120yrs-26
Alnylam Pharmaceuticals' stock price (ALNY)r=0.519yrs-30
Renewable energy production in Burundir=0.5542yrs-33
Popularity of the first name Elishar=-0.6243yrs-36
Church & Dwight Co.'s stock price (CHD)r=0.4822yrs-40
Popularity of the first name Dustyr=-0.6243yrs-46
Tractor Supply Company's stock price (TSCO)r=0.4822yrs-50
Hormel Foods' stock price (HRL)r=0.4822yrs-60


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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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