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Data source: Environmental Protection Agency
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Air quality in Boulder correlates with...

VariableCorrelationYearsHas img?
Associate Professor salaries in the USr=0.6213yrsNo


Air quality in Boulder also correlates with...

VariableCorrelationYearsSys. Score
Customer satisfaction with Twitterr=0.6610yrs146
Patents granted to Googler=0.7311yrs136
Customer satisfaction with NBCNews.comr=0.4920yrs131
Number of times 7 was a winning Mega Millions numberr=0.4819yrs130
Popularity of the first name Coralr=0.5143yrs129
Hydopower energy generated in Netherlandsr=0.4837yrs126
Professor salaries in the USr=0.5213yrs124
Kerosene used in Guinear=0.4542yrs124
How clickbait-y OverSimplified YouTube video titles arer=0.777yrs124
Global count of Health & Fitness Clubsr=0.6411yrs123
Bachelor's degrees awarded in consumer sciencesr=0.7610yrs123
Wind power generated in Samoar=0.698yrs119
Customer satisfaction with Facebookr=0.5212yrs118
Bachelor's degrees awarded in law enforcementr=0.7210yrs117
Amazon's shipping revenue in millions of dollarsr=0.6111yrs116
How provocative SciShow Space YouTube video titles arer=0.6810yrs114
Google searches for 'how to get to antartica'r=0.520yrs112
Average length of Deep Look YouTube videosr=-0.7810yrs110
Amazon's Annual Outbound Shipping Expenditure in Millionsr=0.5811yrs101
The number of movies Zoe Saldana appeared inr=0.4824yrs100
Number of edits to the Wikipedia article for McKinsey & Companyr=-0.5820yrs98
The number of middle school teachers in Colorador=0.5213yrs97
Worldwide Harry Potter Movies Revenuer=0.5211yrs96
Popularity of the 'harambe' memer=0.498yrs95
Number of edits to the Wikipedia article for data dredgingr=-0.520yrs90
Annual book sales in the USr=0.4811yrs88
Master's degrees awarded in Visual and performing artsr=0.5910yrs88
Patents granted to Canonr=0.4712yrs88
Hydopower energy generated in Saint Vincent/Grenadinesr=-0.5342yrs78
Average number of comments on OverSimplified YouTube videosr=-0.797yrs78
xkcd comics published about chartsr=-0.5617yrs75
Google searches for 'how to trap a spider'r=-0.5917yrs74
Number of Atlantic Hurricanes each yearr=-0.4616yrs71
The number of movies Eva Mendes appeared inr=-0.6918yrs70
How trendy CGP Grey YouTube video titles arer=0.6213yrs68
The number of insurance claims adjusters in Colorador=-0.520yrs68
Renewable energy production in Saint Vincent/Grenadinesr=-0.5142yrs66
Rain in Torontor=-0.4818yrs64
Organic Food Sales Volume in the United Statesr=-0.5613yrs62
Popularity of the 'call me maybe' memer=-0.512yrs56
Popularity of the 'gangnam style' memer=-0.512yrs56
How geeky Steve Mould's YouTube video titles arer=0.5815yrs54
Master's degrees awarded in Physical sciencesr=0.5710yrs54
The number of correctional officers and jailers in Colorador=-0.4518yrs49
Total Receiving Yards by Steve Smithr=-0.4916yrs48
Google searches for 'Gangnam Style'r=-0.4712yrs46
Wind power generated in Venezuelar=0.5110yrs44
Number of Mr Beast videos publishedr=0.5612yrs42
Bachelor's degrees awarded in Precision productionr=0.5510yrs42
Global sales revenue of elevators and escalatorsr=-0.487yrs42
Global revenue from elevator and escalator salesr=-0.487yrs38
Liquefied petroleum gas used in Montenegror=0.4716yrs31
How professional-sounding Steve Mould's YouTube video titles arer=0.5515yrs30
The number of movies Daisy Ridley appeared inr=-0.6411yrs28
Popularity of the 'McKayla Maroney' memer=-0.4616yrs26
Associates degrees awarded in Agriculturer=0.4911yrs22
Kerosene used in Germany, Eastr=0.511yrs20
How nerdy Steve Mould's YouTube video titles arer=0.5415yrs18
The number of movies Michael B. Jordan appeared inr=-0.4725yrs16
Associates degrees awarded in Agriculture and natural resourcesr=0.4711yrs9
How geeky OverSimplified YouTube video titles arer=0.657yrs6
Electricity generation in Liberiar=-0.4742yrs6
The number of movies Amanda Seyfried appeared inr=-0.4920yrs2
Biomass power generated in Panamar=-0.4642yrs-4
How insightful Steve Mould's YouTube video titles arer=0.5215yrs-5
The number of movies Emily Blunt appeared inr=-0.4721yrs-8
Biomass power generated in Malaysiar=-0.7313yrs-16
The average number of likes on OverSimplified YouTube videosr=-0.747yrs-17
Associates degrees awarded in Architecturer=-0.6311yrs-18
Annual revenue from Disney moviesr=-0.5115yrs-21
Solar power generated in Moldovar=-0.788yrs-26
Total likes of LockPickingLawyer YouTube videosr=-0.669yrs-33
Solar power generated in Turkiyer=-0.778yrs-38
Bachelor's degrees awarded in Transportationr=-0.6310yrs-38
Total comments on LockPickingLawyer YouTube videosr=-0.659yrs-44
The number of movies Zendaya appeared inr=-0.4713yrs-46
Kerosene used in Former Czechoslovakiar=0.469yrs-48
Associates degrees awarded in consumer sciencesr=-0.5811yrs-54
How insightful Technology Connections YouTube video titles arer=0.569yrs-55
Biomass power generated in Laosr=-0.699yrs-64
How insightful Matt Parker's YouTube video titles arer=0.5313yrs-66
Master's degrees awarded in Businessr=-0.5510yrs-66
Solar power generated in Omanr=-0.79yrs-74
How professional-sounding Matt Parker's YouTube video titles arer=0.5313yrs-76
Master's degrees awarded in Educationr=-0.5210yrs-79
Gasoline pumped in Germany, Eastr=-0.711yrs-84
How cool CGP Grey YouTube video titles arer=0.5313yrs-86
Bachelor's degrees awarded in Legal professionsr=-0.4810yrs-93
How 'hip and with it' CGP Grey YouTube video titles arer=0.5313yrs-96
Wind power generated in Moldovar=-0.679yrs-96
Total length of Deep Look YouTube videosr=-0.6110yrs-107
Solar power generated in Belarusr=-0.78yrs-114
Solar power generated in Nicaraguar=-0.4522yrs-126


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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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