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Data source: Environmental Protection Agency
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Air pollution in Ottawa correlates with...

VariableCorrelationYearsHas img?
Customer satisfaction with Walgreensr=0.956yrsNo
Popularity of the first name Madysonr=0.9226yrsNo
Jet fuel used in Sloveniar=0.919yrsNo
Popularity of the first name Madisynr=0.8825yrsNo
Liquefied petroleum gas used in Chiler=0.8827yrsNo
Lionel Messi's match count with Argentinar=0.866yrsNo
Electricity generation in Arubar=0.8625yrsNo
Number of Lawyers in the United Statesr=0.8522yrsNo
The number of Breweries in the United Statesr=0.7921yrsNo
Hotdogs consumed by Nathan's Hot Dog Eating Competition Championr=0.7731yrsNo
Total number of automotive recallsr=0.7431yrsNo
Rain in Berlinr=0.7320yrsNo



Air pollution in Ottawa also correlates with...

VariableCorrelationYearsSys. Score
Number of Registered Vehicles in the USr=0.8621yrs336
Popularity of the first name Maddisonr=0.8726yrs321
Number of edits to the Wikipedia article for Justin Trudeaur=0.927yrs320
Liquefied petroleum gas used in Seychellesr=0.8622yrs306
US Sales of Artificial Christmas Treesr=0.937yrs298
Popularity of the first name Ashtynr=0.8627yrs290
Number of times 6 was a winning Mega Millions numberr=0.879yrs284
Popularity of the first name Saiger=0.8627yrs280
Number of edits to the Wikipedia article for Deloitter=0.857yrs280
Popularity of the first name Armanir=0.8625yrs268
The number of geoscientists in Illinoisr=0.898yrs262
Popularity of the first name Kennedir=0.8622yrs256
The number of movies Alicia Vikander appeared inr=0.889yrs250
The number of movies Carey Mulligan appeared inr=0.886yrs246
Automotive recalls for issues with the Engine And Engine Coolingr=0.7431yrs243
Google searches for 'cat memes'r=0.867yrs242
Public school high school enrollments in the United Statesr=0.8131yrs234
Gender pay gap in the U.S.r=0.8421yrs231
Intel Corporation's annual revenuer=0.8324yrs230
Number of households headed by single fathers in the United Statesr=0.8321yrs228
UFO sightings in Illinoisr=0.7231yrs228
Total Number of Successful Mount Everest Climbsr=0.7431yrs226
The distance between Neptune and Saturnr=0.8431yrs220
The distance between Uranus and Saturnr=0.8131yrs215
American cheese consumptionr=0.8221yrs212
Number of public school students in 11th grader=0.8421yrs211
Number of highschoolers in the USr=0.8321yrs210
Number of public school students in 12th grader=0.8321yrs210
Average milk produced per cow in the USr=0.6531yrs202
Fossil fuel use in Guatemalar=0.8431yrs200
Annual Revenue of Walt Disney Companyr=0.8220yrs197
Total Sales at Clothing and Accessories Storesr=0.8119yrs194
Violent crime ratesr=-0.7926yrs194
Total budget of Marvel comic-based films releasedr=0.7723yrs192
Budget for largest movie productionr=0.731yrs190
Geothermal power generated in Portugalr=0.8231yrs186
USA Populationr=0.6831yrs184
Arson in United Statesr=-0.8726yrs182
Burglaries in Illinoisr=-0.8726yrs182
Average SAT score in mathr=0.721yrs182
Yogurt consumptionr=0.821yrs180
Automotive recalls for issues with the Air Bagsr=0.7221yrs180
Automotive recalls issued by BMW of North Americar=0.6231yrs180
US kids in public schoolr=0.8221yrs178
Gasoline pumped in Canadar=0.8431yrs176
Automotive recalls for issues with the Electrical Systemr=0.6131yrs174
Automotive recalls for issues with Steeringr=0.6131yrs174
Automotive recalls issued by Hondar=0.5731yrs172
Automotive recalls issued by Nissan North Americar=0.5731yrs172
Number of public school students in 10th grader=0.8221yrs168
Fossil fuel use in Sri Lankar=0.8131yrs165
Fossil fuel use in Spainr=0.831yrs154
Motor vehicle thefts in Illinoisr=-0.8826yrs152
Milk-fat consumptionr=0.7921yrs148
Popularity of the first name Pearlr=0.8331yrs145
Geothermal power generated in Indonesiar=0.8129yrs143
Inflation in the USr=0.8119yrs142
The number of movies George Clooney appeared inr=0.6929yrs141
Burglary rates in the USr=-0.8326yrs138
New York Times Fiction Best Sellersr=0.6931yrs135
Electricity generation in Cambodiar=0.7931yrs132
Popularity of the first name Damienr=0.8131yrs132
US Shoe Store Salesr=0.819yrs130
Motor vehicle theftsr=-0.8126yrs126
Number of Slot Machines in Nevadar=0.6927yrs124
Petroluem consumption in Cabo Verder=0.8131yrs122
Popularity of the first name Jonasr=0.8131yrs122
US Annual Tax Revenuer=0.731yrs117
Robberies in the USr=-0.8126yrs116
Popularity of the first name Athenar=0.8131yrs112
Number of Las Vegas Hotel Room Check-Insr=0.6731yrs111
Hydopower energy generated in Egyptr=0.7831yrs110
Robberies in Illinoisr=-0.826yrs104
Popularity of the first name Jazlynr=0.8230yrs102
Gasoline pumped in Irelandr=0.831yrs100
Popularity of the first name Ever=0.8131yrs92
Remaining Forest Cover in the Brazilian Amazonr=-0.8624yrs92
Petroluem consumption in Lesothor=0.831yrs90
Popularity of the first name Gretar=0.8131yrs82
Electricity generation in Bahrainr=0.7731yrs79
Popularity of the first name Kayleighr=0.8327yrs71
Fossil fuel use in Bahrainr=0.7731yrs69
Popularity of the first name Mosesr=0.831yrs60
Renewable energy production in Boliviar=0.7731yrs59
Popularity of the first name Jaylinr=0.8129yrs50
Hydopower energy generated in Boliviar=0.7731yrs49
Popularity of the first name Aldor=0.831yrs40
Fossil fuel use in Ecuadorr=0.7731yrs39
Popularity of the first name Raeganr=0.831yrs30
Popularity of the first name Jaelynr=0.831yrs20


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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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