Top variables that correlate with Air quality in Olympia, Washington

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Data source: Environmental Protection Agency
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Air quality in Olympia, Washington correlates with...

Variable	Correlation	Years	Sys. Score
US average milk-fat content of cream products	r=0.9	7yrs	240
Kerosene used in Bahrain	r=-0.95	36yrs	190
Total viewership of the Aviva Premiership Rugby final	r=0.8	14yrs	162
Customer satisfaction with USATODAY.com	r=0.66	20yrs	156
Petroluem consumption in U.S. Pacific Islands	r=0.6	36yrs	156
Jet fuel used in Romania	r=0.59	33yrs	151
Public Library Website Visits in the UK	r=0.79	8yrs	144
UK Service Retail Price Index	r=0.68	19yrs	136
Average number of comments on PBS Space Time YouTube videos	r=0.63	9yrs	136
Hollister retail store count worldwide	r=0.64	23yrs	135
Number of times 7 was a winning Mega Millions number	r=0.51	19yrs	134
US production of yogurt, nonfrozen	r=0.63	22yrs	132
Number of times 9 was a winning Mega Millions number	r=0.49	19yrs	132
Number of times 15 was a winning Mega Millions number	r=0.47	22yrs	132
Automotive recalls issued by Toyota	r=0.46	23yrs	132
Customer satisfaction with NYTimes.com	r=0.49	20yrs	131
Number of registered Yamaha motorcycles in the UK	r=0.61	22yrs	130
Organic Food Sales Volume in the United States	r=0.69	13yrs	130
Number of active magazines in the United States	r=0.66	15yrs	128
Portion of all US dairy skim-solids allocated to the production of sour cream	r=0.65	22yrs	128
Mega millions lottery numbers	r=0.47	21yrs	128
Customer satisfaction with Costco	r=0.46	22yrs	128
xkcd comics published about puzzles	r=0.59	17yrs	128
The number of social work teachers in Washington	r=0.66	12yrs	127
Popularity of the first name Adilene	r=0.53	36yrs	125
The number of movies Kit Harington appeared in	r=0.73	12yrs	125
Google searches for 'Taylor Swift'	r=0.59	18yrs	124
Global count of Health & Fitness Clubs	r=0.64	11yrs	123
Amazon's Annual Outbound Shipping Expenditure in Millions	r=0.65	11yrs	122
Bankruptcies in California	r=0.65	11yrs	122
Jet fuel used in U.S. Pacific Islands	r=0.57	36yrs	121
Customer satisfaction with HuffPost	r=0.55	11yrs	121
US Undergraduate Enrollment	r=0.54	23yrs	120
Total regular season games played by Nicklas Backstrom	r=0.55	21yrs	120
GMO use in corn	r=0.63	24yrs	120
Total length of LEMMiNO YouTube videos	r=0.49	12yrs	118
Yearly Total Gross Income of US Farms	r=0.51	23yrs	117
Yearly peak of NYSE composite index	r=0.6	13yrs	116
Javier Mascherano's International Match Count	r=0.59	14yrs	116
GMO use in soybeans	r=0.61	23yrs	116
GMO use in soybeans	r=0.61	23yrs	116
How fun PBS Space Time YouTube video titles are	r=0.68	9yrs	113
The number of physicists in Washington	r=0.5	20yrs	112
The number of automotive glass installers and repairers in Washington	r=0.5	20yrs	111
The number of movies Chris Evans appeared in	r=0.55	24yrs	110
Popularity of the first name Janay	r=-0.62	37yrs	108
The number of movies Zoe Saldana appeared in	r=0.54	24yrs	108
Petroluem consumption in Greenland	r=0.53	36yrs	105
Annual US household spending on electricity	r=0.56	23yrs	103
Annual US household spending on utilities	r=0.53	23yrs	98
Jet fuel used in Guinea-Bissau	r=0.53	36yrs	95
US milk fat used to produce yogurt	r=0.57	22yrs	93
GMO use in cotton	r=0.61	23yrs	84
US milk fat used to produce sour cream	r=0.57	22yrs	83
How geeky OverSimplified YouTube video titles are	r=0.75	7yrs	82
The number of movies Kristen Wiig appeared in	r=0.53	24yrs	77
The number of obstetricians and gynecologists in Washington	r=0.46	20yrs	75
Hydopower energy generated in Austria	r=0.52	36yrs	72
US production of cream products	r=0.73	7yrs	72
Amazon's shipping revenue in millions of dollars	r=0.63	11yrs	68
GMO use in corn	r=0.54	24yrs	67
How trendy CGP Grey YouTube video titles are	r=0.6	13yrs	65
The number of college psychology teachers in Washington	r=0.45	20yrs	64
The number of movies Emma Stone appeared in	r=0.55	17yrs	63
Biomass power generated in United States	r=0.52	36yrs	62
US dairy skim solids used to produce sour cream	r=0.57	22yrs	62
Passenger traffic at Hartsfield-Jackson Atlanta International Airport	r=0.48	23yrs	62
U.S. direct investment abroad	r=0.5	22yrs	54
The number of university fitness studies teachers in Washington	r=0.45	20yrs	54
US average milk-fat content of cream products	r=0.81	7yrs	52
GMO use in cotton	r=0.53	23yrs	52
Total length of 3Blue1Brown YouTube videos	r=-0.7	9yrs	51
Jet fuel used in Dominica	r=0.62	22yrs	50
Sales of Top-Selling Comic Book to North American Comics Shops	r=0.45	23yrs	46
US dairy skim solids used to produce evaporated and condensed milk	r=0.56	22yrs	41
Rock N Roll Hall of Fame Inductee Count	r=-0.65	29yrs	41
Kerosene used in Turkmenistan	r=0.55	30yrs	37
Canadian Carbon Dioxide Emissions	r=0.47	22yrs	33
US dairy skim solids used to produce cream products	r=0.72	7yrs	30
Jet fuel used in Azerbaijan	r=0.54	30yrs	26
Domino's Pizza Group's Earnings per Share	r=0.47	20yrs	26
Annual comic book sales in North America	r=0.47	19yrs	21
US dairy skim solids used to produce yogurt, nonfrozen	r=0.55	22yrs	19
Jet fuel used in Sao Tome and Principe	r=0.6	22yrs	16
US production of evaporated and condensed milk	r=0.53	22yrs	8
Jet fuel used in Lesotho	r=0.59	22yrs	5
US milk fat used to produce whey products (net)	r=0.53	22yrs	-2
Nuclear power generation in Spain	r=0.47	36yrs	-6
Portion of all US dairy skim-solids allocated to the production of cream products	r=0.79	7yrs	-12
Geothermal power generated in United States	r=0.47	36yrs	-16
Liquefied petroleum gas used in Gambia	r=0.58	22yrs	-26
US production of sour cream	r=0.49	22yrs	-28
Petroluem consumption in Latvia	r=0.52	31yrs	-36
Portion of all US dairy skim-solids allocated to the production of yogurt, nonfrozen	r=0.63	22yrs	-40
Jet fuel used in Samoa	r=0.58	22yrs	-46
Portion of all US dairy skim-solids allocated to the production of cheese (other than cottage cheese)	r=0.59	22yrs	-55
Liquefied petroleum gas used in Solomon Islands	r=0.49	34yrs	-58
Portion of all US dairy skim-solids allocated to the production of whey products (net)	r=0.6	22yrs	-65
Gasoline pumped in U.S. Pacific Islands	r=0.48	36yrs	-68
US average milk-fat content of yogurt, nonfrozen	r=0.58	22yrs	-78
Blue cheese consumption	r=0.47	27yrs	-89

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^{What is Sys. Score?} 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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