Top variables that correlate with Air quality in Salem, Oregon

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

Variable	Correlation	Years	Sys. Score
Global sales revenue of elevators and escalators	r=0.87	7yrs	260
Global revenue from elevator and escalator sales	r=0.87	7yrs	256
Liquefied petroleum gas used in Barbados	r=-0.65	42yrs	166
Average number of comments on PBS Space Time YouTube videos	r=0.67	9yrs	152
Customer satisfaction with USATODAY.com	r=0.56	20yrs	142
Gasoline pumped in Germany, West	r=0.77	11yrs	141
Visitors to SeaWorld California	r=0.56	15yrs	140
Customer satisfaction with Target	r=0.54	17yrs	136
Bankruptcies in California	r=0.71	11yrs	130
Mega millions lottery numbers	r=0.48	21yrs	129
Liquefied petroleum gas used in Central African Republic	r=0.67	14yrs	129
Customer satisfaction with HuffPost	r=0.56	11yrs	123
Customer satisfaction with Dollar General	r=0.52	14yrs	120
Total comments on PBS Space Time YouTube videos	r=0.53	9yrs	120
Global revenue generated by McDonald's	r=0.56	18yrs	118
Total Points Earned by Barracuda Golf Championship Winner	r=0.57	13yrs	114
Number of home runs hit by Matt Kemp	r=0.55	15yrs	114
Andy Murray's ATP final appearances	r=0.52	18yrs	112
The number of movies Emma Stone appeared in	r=0.59	17yrs	109
Number of active magazines in the United States	r=0.52	15yrs	108
The number of rail car repairers in Oregon	r=0.51	16yrs	108
The number of medical equipment repairers in Oregon	r=0.48	20yrs	108
How professional-sounding CGP Grey YouTube video titles are	r=0.59	13yrs	104
Nielsen Ranking of Smallville Season Finale	r=0.56	10yrs	102
Number of Public Library Members in the UK	r=0.55	12yrs	102
Truist Financial's stock price (TFC)	r=-0.64	22yrs	102
Associates degrees awarded in Dental assisting	r=0.6	11yrs	98
Google searches for 'xkcd'	r=0.48	17yrs	96
Google searches for 'Matt Parker'	r=0.46	17yrs	94
The number of tax examiners and collectors, and revenue agents in Oregon	r=0.5	13yrs	94
Bank of America's stock price (BAC)	r=-0.55	22yrs	93
M&T Bank's stock price (MTB)	r=-0.51	22yrs	89
Worldwide Harry Potter Movies Revenue	r=0.46	11yrs	88
The number of movies Kit Harington appeared in	r=0.55	12yrs	88
Number of times 22 was a winning Mega Millions number	r=-0.45	22yrs	86
Google searches for 'Brexit'	r=0.47	8yrs	86
US Motorcycle Manufacturing Industry Revenue	r=-0.75	12yrs	80
xkcd comics published about astronomy	r=-0.61	15yrs	78
Associates degrees awarded in Education	r=0.51	11yrs	75
Annual book sales in the US	r=-0.68	11yrs	74
University Lecturer salaries in the US	r=-0.48	13yrs	74
Associates degrees awarded in Business management	r=0.5	11yrs	74
China's Rare Earth Element Export Volume	r=-0.69	11yrs	73
Assistant Processor salaries in the US	r=-0.45	13yrs	72
Number of articles Matt Levine published on Bloomberg on Wednesdays	r=0.51	10yrs	72
Average SAT score in writing	r=-0.45	17yrs	72
Number of articles Matt Levine published on Bloomberg on Mondays	r=0.5	10yrs	71
Average number of comments on Tom Scott's YouTube videos	r=-0.64	15yrs	71
Age of Miss Earth Peagant winner	r=-0.48	22yrs	70
US production of cream products	r=-0.74	7yrs	67
US dairy skim solids used to produce cream products	r=-0.74	7yrs	66
Per capita consumption of margarine	r=0.49	10yrs	66
Christmas Trees Sold in the US	r=-0.53	16yrs	65
Liquefied petroleum gas used in Serbia	r=0.49	16yrs	64
Total U.S. grain export volume	r=-0.46	21yrs	63
Total length of 3Blue1Brown YouTube videos	r=-0.7	9yrs	61
Popularity of the first name Moesha	r=-0.67	19yrs	60
Popularity of the first name Yamilex	r=-0.55	28yrs	58
Popularity of the 'mocking spongebob' meme	r=-0.46	18yrs	58
Discover Financial Services' stock price (DFS)	r=-0.55	16yrs	57
The number of credit counselors in Oregon	r=0.45	13yrs	56
Total comments on Tom Scott's YouTube videos	r=-0.62	15yrs	49
The Hartford Financial Services Group's stock price (HIG)	r=-0.49	22yrs	47
Liquefied petroleum gas used in Kosovo	r=0.45	14yrs	46
Google searches for 'helicopter accident'	r=-0.57	20yrs	44
Bachelor's degrees awarded in Legal professions	r=0.48	10yrs	41
Capital One Financial's stock price (COF)	r=-0.48	22yrs	36
The number of chemical engineers in Oregon	r=-0.6	19yrs	35
Kobe Bryant's total free throw count in NBA regular season	r=-0.54	18yrs	35
How geeky OverSimplified YouTube video titles are	r=0.64	7yrs	35
Associates degrees awarded in Business	r=0.46	11yrs	28
Google searches for 'where to buy toilet paper'	r=-0.5	20yrs	28
Brookfield's stock price (BN)	r=-0.47	22yrs	25
How insightful Vihart's YouTube video titles are	r=0.51	15yrs	24
Total Goals Scored by Craig Bellamy in Club Football by Seasons	r=-0.5	17yrs	20
Google searches for 'avocado toast'	r=-0.52	16yrs	16
Biomass power generated in Eswatini	r=-0.47	22yrs	16
Intercountry adoptions	r=-0.56	15yrs	14
Delta Airlines' stock price (DAL)	r=-0.5	16yrs	14
The number of postal service mail carriers in Oregon	r=-0.47	20yrs	13
The average number of likes on Tom Scott's YouTube videos	r=-0.56	15yrs	13
Google searches for 'n95 mask'	r=-0.5	19yrs	6
Kerosene used in Kiribati	r=-0.5	22yrs	6
Philip Morris International's stock price (PM)	r=-0.52	15yrs	3
Total likes of Tom Scott's YouTube videos	r=-0.56	15yrs	3
The number of carpenters in Oregon	r=-0.45	20yrs	1
Google searches for '3Blue1Brown'	r=-0.49	17yrs	-6
Lennar's stock price (LEN.B)	r=-0.47	20yrs	-7
The average number of likes on minutephysics YouTube videos	r=-0.56	13yrs	-9
Google searches for 'how to apply a tourniquet'	r=-0.45	20yrs	-18
The average number of likes on The Game Theorists YouTube videos	r=-0.54	15yrs	-19
Ulta Beauty's stock price (ULTA)	r=-0.47	16yrs	-31
How professional-sounding Simone Giertz's YouTube video titles are	r=0.56	10yrs	-34
TE Connectivity's stock price (TEL)	r=-0.45	16yrs	-43
How good CGP Grey YouTube video titles are	r=0.53	13yrs	-46
How cool MinuteEarth YouTube video titles are	r=0.52	11yrs	-59
Total length of PBS Space Time YouTube videos	r=-0.6	9yrs	-69
How nerdy OverSimplified YouTube video titles are	r=0.54	7yrs	-80
How geeky Tom Scott's YouTube video titles are	r=0.48	15yrs	-91
How professional-sounding Technology Connections YouTube video titles are	r=0.52	9yrs	-101
How professional-sounding OverSimplified YouTube video titles are	r=0.53	7yrs	-112

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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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