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Data source: Environmental Protection Agency
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Air pollution in Sioux City, Iowa correlates with...

VariableCorrelationYearsHas img?
Tesla's stock price (TSLA)r=0.9911yrsYes!
Google searches for 'suez canal'r=0.9918yrsNo
MercadoLibre's stock price (MELI)r=0.9414yrsNo


Air pollution in Sioux City, Iowa also correlates with...

VariableCorrelationYearsSys. Score
Average length of Vihart's YouTube videosr=0.9513yrs428
Google searches for 'Suez Canal'r=0.9718yrs411
Kerosene used in Germany, Eastr=111yrs406
Synopsys' stock price (SNPS)r=0.8520yrs354
The number of bridge and lock tenders in Iowar=0.919yrs340
Solar power generated in Eswatinir=0.9212yrs338
Solar power generated in Estoniar=0.9113yrs337
Google searches for 'Mr. Beast'r=0.8718yrs336
Cadence Design Systems' stock price (CDNS)r=0.8620yrs324
The average number of likes on PBS Space Time YouTube videosr=0.937yrs324
Google searches for 'do vaccines work'r=0.8618yrs304
Solar power generated in Gabonr=110yrs302
The average number of likes on Steve Mould's YouTube videosr=0.8513yrs302
Solar power generated in Moldovar=0.938yrs275
Monolithic Power Systems' stock price (MPWR)r=0.8517yrs270
Solar power generated in Mozambiquer=0.9110yrs264
Average views of Steve Mould's YouTube videosr=0.8913yrs258
Average length of 'Be Smart' science YouTube videosr=0.869yrs245
Bachelor's degrees awarded in Transportationr=0.8610yrs243
Total likes of MinuteEarth YouTube videosr=0.859yrs234
Sales of LP/Vinyl Albumsr=0.7429yrs230
NVIDIA's stock price (NVDA)r=0.8520yrs212
Total views on Steve Mould's YouTube videosr=0.8613yrs204
The number of mechanical engineers in Iowar=0.8319yrs194
Advanced Micro Devices' stock price (AMD)r=0.8520yrs188
Taiwan Semiconductor Manufacturing Company's stock price (TSM)r=0.8420yrs177
Popularity of the 'wojak' memer=0.8116yrs176
Solar power generated in Albaniar=0.8812yrs172
How trendy Casually Explained YouTube video titles arer=0.897yrs168
Solar power generated in Brazilr=0.7925yrs166
Number of Atlantic Hurricanes each yearr=0.7415yrs165
IDEXX Laboratories' stock price (IDXX)r=0.8220yrs164
The number of building inspectors in Iowar=0.7619yrs164
Google's Net Incomer=0.7618yrs163
Powerball lottery numbersr=0.7412yrs162
Solar power generated in Colombiar=0.8122yrs156
Number of times 18 was a winning Mega Millions numberr=0.6520yrs156
Visitors to SeaWorld Floridar=-0.8515yrs154
How provocative PBS Space Time YouTube video titles arer=0.867yrs153
Google searches for 'who is elon musk'r=0.8217yrs152
Automotive recalls issued by Porscher=0.4642yrs152
Automotive recalls issued by Hyundai Motor Americar=0.4936yrs150
Searches for 'never gonna give you up'r=0.716yrs144
The number of movies Leonardo DiCaprio appeared inr=0.6133yrs143
Wind power generated in Argentinar=0.7626yrs142
Number of times 24 was a winning Mega Millions numberr=0.5520yrs142
US household spending on major appliancesr=0.7322yrs142
Number of edits to the Wikipedia article for Elon Muskr=0.5518yrs141
Google searches for 'that is sus'r=0.818yrs140
Annual US household spending on processed fruitsr=0.7122yrs140
Annual US household spending on furniturer=0.7122yrs140
Annual US household spending on major appliancesr=0.7122yrs140
The number of movies Zendaya appeared inr=0.8411yrs140
Total value of all $50 bills printedr=0.8411yrs138
Popularity of the first name Ruthr=0.5642yrs136
US edible fishery product importsr=0.6817yrs135
Annual US household spending on household furnishings and equipmentr=0.6722yrs134
Patents granted to Hondar=0.7111yrs134
Solar power generated in Mexicor=0.7232yrs132
Google's Annual Global Revenuer=0.6420yrs132
Global Puma Salesr=0.6716yrs132
The number of industrial engineers in Iowar=0.7319yrs130
Apple's stock price (AAPL)r=0.8120yrs126
Total likes of Steve Mould's YouTube videosr=0.8213yrs123
Solar power generated in Swedenr=0.7429yrs122
The number of amusement park attendants in Iowar=0.7219yrs118
ASML Holding's stock price (ASML)r=0.8120yrs112
The number of commercial pilots in Iowar=0.719yrs105
West Pharmaceutical Services' stock price (WST)r=0.8120yrs102
Lam Research's stock price (LRCX)r=0.820yrs91
Autodesk's stock price (ADSK)r=0.820yrs81
Google searches for 'elon musk'r=0.7312yrs79
The number of chemical equipment operators and tenders in Iowar=0.6718yrs74
Total length of Deep Look YouTube videosr=0.828yrs73
Solar power generated in Argentinar=0.8118yrs72
Align Technology's stock price (ALGN)r=0.820yrs71
Google searches for 'takeout near me'r=0.6817yrs66
Total likes of PBS Space Time YouTube videosr=0.827yrs62
Amazon.com's stock price (AMZN)r=0.7720yrs60
Solar power generated in Cambodiar=0.7422yrs56
QUALCOMM's stock price (QCOM)r=0.7920yrs50
Average length of Mark Rober YouTube videosr=0.7711yrs48
Solar power generated in South Korear=0.6832yrs46
Target's stock price (TGT)r=0.7920yrs40
Average length of Technology Connections YouTube videosr=0.797yrs38
Wind power generated in Norwayr=0.6730yrs33
KLA Corporation's stock price (KLAC)r=0.7820yrs28
The average number of likes on Matt Parker's YouTube videosr=0.7711yrs28
Biomass power generated in South Korear=0.6827yrs22
CoStar Group's stock price (CSGP)r=0.7820yrs18
Average length of Deep Look YouTube videosr=0.788yrs17
Total solar power generated globallyr=0.5939yrs10
Average length of Matt Parker's YouTube videosr=0.7511yrs6
Solar power generated in Australiar=0.6530yrs0
Average number of comments on Steve Mould's YouTube videosr=0.713yrs-10
Solar power generated in United Statesr=0.5938yrs-11
Average length of Extra History YouTube videosr=0.7110yrs-22
Total comments on Steve Mould's YouTube videosr=0.6713yrs-34


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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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