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Data source: Environmental Protection Agency
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Air pollution in Salem, Oregon correlates with...

VariableCorrelationYearsSys. Score
Google searches for 'where to buy toilet paper'r=0.9619yrs410
Google searches for 'n95 mask'r=0.9318yrs375
Popularity of the first name Moeshar=0.8519yrs206
Total comments on Tom Scott's YouTube videosr=0.8314yrs196
Average number of comments on Tom Scott's YouTube videosr=0.8214yrs194
Google searches for 'how to cut own hair'r=0.8119yrs193
British Open Golf Championship winner's scorer=-0.7443yrs178
The average number of likes on minutephysics YouTube videosr=0.8212yrs177
Miss World's Ager=-0.6743yrs171
Popularity of the 'i am once again' memer=0.7717yrs171
Liquefied petroleum gas used in Central African Republicr=-0.9714yrs170
Popularity of the 'crying michael jordan' memer=0.7617yrs170
Google searches for 'adopt a dog'r=0.819yrs162
Sales of Top-Selling Comic Book to North American Comics Shopsr=0.6523yrs156
Solar power generated in Ukrainer=0.812yrs150
Average number of comments on minutephysics YouTube videosr=0.8212yrs147
The number of firefighters in Oregonr=0.7713yrs144
Intel's stock price (INTC)r=0.5721yrs142
Sysco's stock price (SYY)r=0.5721yrs142
Patents granted to Texas Instrumentsr=0.7612yrs142
RTX Corp's stock price (RTX)r=0.5621yrs141
Number of times 17 was a winning Mega Millions numberr=0.5220yrs137
Number of times 22 was a winning Mega Millions numberr=0.5121yrs136
Average length of MinuteEarth YouTube videosr=0.8310yrs136
Popularity of the 'like a boss' memer=0.6317yrs135
Number of Miss World delegatesr=-0.6142yrs134
Visitors to SeaWorld Californiar=-0.8315yrs134
US household spending on other household productsr=0.6723yrs134
Wind power generated in Ukrainer=0.6124yrs133
Age of Miss Earth Peagant winnerr=0.622yrs132
Average viewer count per season of "How I Met Your Mother"r=0.689yrs130
Season rating of "Two and a Half Men"r=0.6712yrs130
The number of motorboat mechanics in Oregonr=0.6713yrs130
Number of times 25 was a winning Mega Millions numberr=0.4621yrs129
The number of food and tobacco roasting, baking, and drying machine operators and tenders in Oregonr=0.6220yrs129
Total annual cinema attendance in the UKr=-0.7522yrs128
Google searches for 'helicopter accident'r=0.7719yrs127
xkcd comics published about statisticsr=0.5916yrs126
Votes for Democratic Senators in Oregonr=0.747yrs126
xkcd comics published about experimentsr=0.5816yrs125
Average number of comments on LEMMiNO YouTube videosr=0.8111yrs124
xkcd comics published about sciencer=0.5716yrs123
Votes for Republican Senators in Oregonr=0.687yrs117
The number of movies Chadwick Boseman appeared inr=0.6319yrs117
Brookfield's stock price (BN)r=0.5621yrs111
Average Cost of a 30-Second Ad Commercial during the Academy Awardsr=0.4721yrs108
NCAA Men's Skiing champion's pointsr=-0.5443yrs108
Average length of 3Blue1Brown YouTube videosr=0.798yrs108
Google searches for 'President phone number'r=0.6419yrs106
ONEOK's stock price (OKE)r=0.5621yrs101
Total length of 3Blue1Brown YouTube videosr=0.768yrs94
Solar power generated in Cambodiar=0.5522yrs92
Merck & Co.'s stock price (MRK)r=0.5521yrs90
Popularity of the 'this is fine' memer=0.5217yrs88
The number of training and development managers in Oregonr=0.5419yrs86
Total length of MinuteEarth YouTube videosr=0.7410yrs83
Liquefied petroleum gas used in Rwandar=0.5722yrs82
Fiserv's stock price (FI)r=0.5521yrs80
Google searches for 'adopt a cat'r=0.6819yrs78
The number of veterinary assistants in Oregonr=0.520yrs71
Biomass power generated in Ukrainer=0.613yrs70
Sempra's stock price (SRE)r=0.5521yrs70
The average number of likes on LEMMiNO YouTube videosr=0.6911yrs66
Google searches for 'i have a headache'r=0.4919yrs60
The number of tax preparers in Oregonr=0.4920yrs60
American Electric Power Company's stock price (AEP)r=0.5521yrs60
Solar power generated in Belizer=0.5124yrs58
Total likes of Tom Scott's YouTube videosr=0.6414yrs52
Mizuho Financial Group's stock price (MFG)r=0.5816yrs49
The number of consultants in Oregonr=0.4820yrs48
Google searches for 'who is jk rowling'r=0.5819yrs44
Wind power generated in Luxembourgr=0.4725yrs43
The average number of likes on Tom Scott's YouTube videosr=0.6214yrs39
The number of industrial machinery mechanics in Oregonr=0.4820yrs38
Lockheed Martin's stock price (LMT)r=0.5221yrs38
Google searches for 'no cap'r=0.5819yrs34
Solar power generated in Taiwanr=0.4822yrs32
Total length of SmarterEveryDay YouTube videosr=0.616yrs28
Royal Caribbean Cruises' stock price (RCL)r=0.5421yrs28
Google searches for 'takeout near me'r=0.5618yrs20
Solar power generated in Cubar=0.4523yrs18
AstraZeneca's stock price (AZN)r=0.5321yrs16
Total length of PBS Space Time YouTube videosr=0.78yrs15
Google searches for 'where can i stream friends'r=0.5518yrs8
Solar power generated in Senegalr=0.4622yrs8
Boeing's stock price (BA)r=0.5221yrs6
Total length of Steve Mould's YouTube videosr=0.5914yrs4
Medtronic's stock price (MDT)r=0.5321yrs-4
Google searches for '3Blue1Brown'r=0.5316yrs-7
Total likes of CGP Grey YouTube videosr=0.5812yrs-9
Fidelity National Information Services' stock price (FIS)r=0.5321yrs-14
Google searches for 'buy a house'r=0.519yrs-18
Average length of SmarterEveryDay YouTube videosr=0.5516yrs-20
Arch Capital Group's stock price (ACGL)r=0.5321yrs-24
Google searches for 'hail damage on roof'r=0.518yrs-30
Total length of OverSimplified YouTube videosr=0.677yrs-30
JPMorgan Chase & Co.'s stock price (JPM)r=0.5221yrs-35
The average number of likes on SmarterEveryDay YouTube videosr=0.5416yrs-41
Amgen's stock price (AMGN)r=0.5221yrs-45
Average number of comments on SmarterEveryDay YouTube videosr=0.5316yrs-52
The Southern Company's stock price (SO)r=0.5221yrs-55


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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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