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Data source: Environmental Protection Agency
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Air pollution in San Luis Obispo, California correlates with...

VariableCorrelationYearsHas img?
xkcd comics published about romancer=0.8716yrsYes!



Air pollution in San Luis Obispo, California also correlates with...

VariableCorrelationYearsSys. Score
FirstEnergy's stock price (FE)r=0.8721yrs358
Total length of 3Blue1Brown YouTube videosr=0.98yrs320
Google searches for 'Stand-Up Maths'r=0.8616yrs302
Number of CGP Grey Videos publishedr=0.8812yrs280
Number of edits to the Wikipedia article for correlationr=0.8321yrs251
Number of edits to the Wikipedia article for McGill Universityr=0.7522yrs210
TotalEnergies SE's stock price (TTE)r=0.7721yrs208
Petróleo Brasileiro S.A. - Petrobras' stock price (PBR)r=0.7721yrs208
Annual US household spending on mortgage interest and chargesr=0.7823yrs201
Asthma prevalence in American childrenr=0.7617yrs186
Number of edits to the Wikipedia article for Alexander Hamiltonr=0.7321yrs186
Number of edits to the Wikipedia article for Hadesr=0.7222yrs186
Number of edits to the Wikipedia article for Dwayne Johnsonr=0.7321yrs186
Number of edits to the Wikipedia article for Arnold Schwarzeneggerr=0.7122yrs184
Number of edits to the Wikipedia article for Big Birdr=0.7121yrs183
Number of edits to the Wikipedia article for Aaron Burrr=0.721yrs182
Number of edits to the Wikipedia article for Tetrisr=0.722yrs182
Number of edits to the Wikipedia article for Harvard Universityr=0.722yrs182
Eni S.p.A.'s stock price (E)r=0.7721yrs178
Average length of 3Blue1Brown YouTube videosr=0.838yrs174
xkcd comics published about sarcasmr=0.816yrs173
Google searches for 'desktop background'r=0.8116yrs170
Petróleo Brasileiro S.A. - Petrobras' stock price (PBR.A)r=0.7621yrs166
The number of fiberglass laminators and fabricators in Californiar=0.7620yrs165
The number of budget analysts in Californiar=0.7520yrs164
Liquefied petroleum gas used in Montserratr=0.7915yrs163
Asthma prevalence in American childrenr=0.717yrs162
Google searches for 'Britney Spears'r=0.7615yrs162
Asthma prevalence in American childrenr=0.6917yrs161
The number of university biological science teachers in Californiar=0.7419yrs161
Asthma prevalence in American childrenr=0.6817yrs160
Asthma prevalence in American childrenr=0.6717yrs158
Popularity of the first name Rhiannar=0.5743yrs158
Customer satisfaction with TJ Maxxr=-0.914yrs156
Biomass power generated in Jordanr=0.6920yrs156
Petroluem consumption in Syriar=0.5242yrs150
Popularity of the 'all your base' memer=0.717yrs146
United States music album salesr=0.7316yrs142
Popularity of the 'call me maybe' memer=0.7211yrs142
Popularity of the 'gangnam style' memer=0.7111yrs141
US music album salesr=0.7116yrs138
Global iPod Salesr=0.749yrs138
Visitors to SeaWorld Floridar=0.5615yrs138
xkcd comics published about childhoodr=0.6616yrs137
BP's stock price (BP)r=0.7421yrs136
Number of World of Warcraft Subscribersr=0.6618yrs136
Pirate attacks globallyr=0.6814yrs136
Number of edits to the Wikipedia article for Dionysusr=0.6921yrs130
Average number of comments on Numberphile YouTube videosr=0.712yrs129
The number of colelge chemistry teachers in Californiar=0.7219yrs128
NatWest Group's stock price (NWG)r=0.7915yrs124
Number of edits to the Wikipedia article for Britney Spearsr=0.6722yrs123
Average number of comments on minutephysics YouTube videosr=0.6912yrs118
Number of edits to the Wikipedia article for Barbra Streisandr=0.6721yrs117
Google searches for 'Tamagotchi'r=0.7515yrs115
Wind power generated in Fijir=0.7415yrs114
ArcelorMittal's stock price (MT)r=0.7321yrs112
How 'hip and with it' Vihart's YouTube video titles arer=0.8514yrs108
Popularity of the 'friday friday friday' memer=-0.8217yrs108
Banco Santander's stock price (SAN)r=0.7221yrs100
Total length of PBS Space Time YouTube videosr=0.728yrs98
Google searches for 't-rex'r=0.6619yrs96
The number of etchers and engravers in Californiar=0.6720yrs96
Number of edits to the Wikipedia article for PwCr=0.6621yrs95
Exelon's stock price (EXC)r=0.7221yrs90
Number of edits to the Wikipedia article for Equivocationr=0.6521yrs89
The number of telecommunications line installers and repairers in Californiar=0.6620yrs85
The average number of likes on Numberphile YouTube videosr=0.6712yrs84
Number of edits to the Wikipedia article for influenzar=0.6321yrs81
Manulife Financial's stock price (MFC)r=0.6921yrs76
Number of edits to the Wikipedia article for begging the questionr=0.6222yrs76
Average length of MinuteEarth YouTube videosr=0.6710yrs72
Number of edits to the Wikipedia article for Deloitter=0.6419yrs71
Number of edits to the Wikipedia article for Goldman Sachsr=0.6320yrs65
Banco Bilbao Vizcaya Argentaria's stock price (BBVA)r=0.6821yrs64
Total comments on Numberphile YouTube videosr=0.6412yrs60
Number of edits to the Wikipedia article for Nikola Teslar=0.6122yrs59
Telefónica's stock price (TEF)r=0.6821yrs54
Number of edits to the Wikipedia article for Thomas Edisonr=0.6122yrs54
Number of edits to the Wikipedia article for Morgan Stanleyr=0.6221yrs49
How nerdy Vihart's YouTube video titles arer=0.7814yrs48
Number of edits to the Wikipedia article for Persephoner=0.622yrs42
Total comments on minutephysics YouTube videosr=0.6112yrs36
Number of edits to the Wikipedia article for Thanksgivingr=0.6116yrs33
Number of edits to the Wikipedia article for Plutor=0.5722yrs28
Devon Energy's stock price (DVN)r=0.6621yrs26
Total likes of Numberphile YouTube videosr=0.5912yrs22
Number of edits to the Wikipedia article for Benjamin Franklinr=0.5622yrs21
Deutsche Bank Aktiengesellschaft's stock price (DB)r=0.6421yrs13
Number of edits to the Wikipedia article for spite houser=0.5716yrs12
Total comments on CGP Grey YouTube videosr=0.5812yrs11
Number of edits to the Wikipedia article for Cognitive dissonancer=0.5420yrs7
Nokia Oyj's stock price (NOK)r=0.6221yrs0
Number of edits to the Wikipedia article for Zeusr=0.5122yrs-1
Total length of MinuteEarth YouTube videosr=0.6210yrs-5
Number of edits to the Wikipedia article for Abraham Lincolnr=0.522yrs-7
Shell's stock price (SHEL)r=0.6121yrs-12
Baker Hughes Company's stock price (BKR)r=0.621yrs-23
POSCO Holdings' stock price (PKX)r=0.621yrs-33
Suncor Energy's stock price (SU)r=0.5921yrs-44


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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.)
Error :(