Top variables that correlate with Air quality in Sioux City, Iowa

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Data source: Environmental Protection Agency
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Air quality in Sioux City, Iowa correlates with...

Variable	Correlation	Years	Sys. Score
Nuclear power generation in Brazil	r=0.92	40yrs	396
Biomass power generated in Taiwan	r=0.93	33yrs	390
Liquefied petroleum gas used in Dominica	r=0.92	34yrs	386
Popularity of the first name Rylie	r=0.92	40yrs	372
Number of highschoolers in the US	r=0.91	33yrs	368
Number of Lawyers in the United States	r=0.87	34yrs	358
Gasoline pumped in Namibia	r=0.93	32yrs	356
Number of Registered Vehicles in the US	r=0.89	32yrs	352
Number of public school students in 10th grade	r=0.9	33yrs	337
Number of public school students in 11th grade	r=0.9	33yrs	337
Popularity of the first name Eve	r=0.86	43yrs	336
Popularity of the first name Makenna	r=0.86	41yrs	334
Electricity generation in Aruba	r=0.9	36yrs	318
Highway diesel consumption in US	r=0.87	20yrs	314
Geothermal power generated in Indonesia	r=0.87	40yrs	308
US kids in public school	r=0.89	33yrs	306
Popularity of the first name Saige	r=0.87	39yrs	304
Number of public school students in 8th grade	r=0.88	33yrs	294
Liquefied petroleum gas used in Chile	r=0.86	39yrs	292
Popularity of the first name Kennedi	r=0.88	34yrs	290
Number of public school students in 12th grade	r=0.88	33yrs	284
Liquefied petroleum gas used in Seychelles	r=0.89	33yrs	281
The number of phlebotomists in Iowa	r=0.88	11yrs	280
Number of public school students in 5th grade	r=0.85	33yrs	270
Geothermal power generated in Costa Rica	r=0.87	30yrs	268
Total number of automotive recalls	r=0.78	43yrs	262
Number of public school students in 6th grade	r=0.85	33yrs	260
Average milk produced per cow in the US	r=0.72	43yrs	255
Automotive recalls for issues with the Power Train	r=0.71	43yrs	250
Automotive recalls issued by BMW of North America	r=0.66	43yrs	248
Automotive recalls issued by Honda	r=0.66	43yrs	248
Average SAT score in math	r=0.73	33yrs	248
Hotdogs consumed by Nathan's Hot Dog Eating Competition Champion	r=0.77	43yrs	246
Kroger's stock price (KR)	r=0.81	21yrs	245
Automotive recalls issued by Hyundai Motor America	r=0.68	37yrs	244
Automotive recalls for issues with Exterior Lighting	r=0.66	43yrs	243
Intel Corporation's annual revenue	r=0.82	36yrs	240
Number of households headed by single fathers in the United States	r=0.84	32yrs	240
Automotive recalls for issues with the Electrical System	r=0.64	43yrs	240
Automotive recalls for issues with the Tires	r=0.64	43yrs	240
Automotive recalls for issues with Steering	r=0.63	43yrs	238
Gender pay gap in the U.S.	r=0.8	32yrs	236
USA Population	r=0.74	43yrs	235
Total Sales at Clothing and Accessories Stores	r=0.79	31yrs	234
Patents granted in the US	r=0.7	41yrs	234
Annual Revenue of Walt Disney Company	r=0.78	32yrs	233
Patents granted in the US	r=0.7	41yrs	232
UFO sightings in Iowa	r=0.68	42yrs	232
Budget for largest movie production	r=0.69	43yrs	230
Inflation in the US	r=0.79	31yrs	230
Google searches for 'spurious correlations'	r=0.84	19yrs	228
The distance between Uranus and Saturn	r=0.81	43yrs	227
UEFA European Cup and Champions League Top Scorer's Goal Count	r=0.65	43yrs	222
Yogurt consumption	r=0.81	32yrs	222
American cheese consumption	r=0.8	32yrs	220
Violent crime rates	r=-0.9	38yrs	216
Automotive recalls issued by Nissan North America	r=0.62	43yrs	212
The distance between Neptune and Uranus	r=0.7	43yrs	210
The number of movies Willem Dafoe appeared in	r=0.65	43yrs	209
Regeneron Pharmaceuticals' stock price (REGN)	r=0.77	21yrs	208
U.S. Bancorp's stock price (USB)	r=0.76	21yrs	206
The number of movies Johnny Depp appeared in	r=0.65	39yrs	205
Milk-fat consumption	r=0.8	32yrs	190
US Annual Tax Revenue	r=0.71	42yrs	180
Popularity of the first name Greta	r=0.85	43yrs	180
The Bank of New York Mellon Corporation's stock price (BK)	r=0.76	21yrs	176
Annual count of part-time employees in the United States	r=0.75	33yrs	171
Mozzarella cheese consumption	r=0.76	27yrs	170
Popularity of the first name Moses	r=0.83	43yrs	167
Hormel Foods' stock price (HRL)	r=0.76	21yrs	166
Gasoline Prices in the US	r=0.69	33yrs	160
Fossil fuel use in Guatemala	r=0.84	42yrs	160
Popularity of the first name Raina	r=0.83	43yrs	157
Automotive recalls for issues with the Engine And Engine Cooling	r=0.62	43yrs	157
Italian-type cheese consumption	r=0.74	27yrs	156
Petroluem consumption in Canada	r=0.84	43yrs	148
Popularity of the first name Ashtyn	r=0.85	39yrs	146
Number of public school students in 7th grade	r=0.84	33yrs	143
US Highway Vehicle Gasoline Consumption	r=0.79	29yrs	143
Gasoline pumped in New Caledonia	r=0.84	42yrs	138
Popularity of the first name Kolton	r=0.83	41yrs	135
Number of public school students in 4th grade	r=0.81	33yrs	128
Gasoline pumped in The Bahamas	r=0.84	42yrs	128
Popularity of the first name Georgia	r=0.81	43yrs	124
Number of public school students in 9th grade	r=0.8	33yrs	117
Gasoline pumped in Canada	r=0.82	43yrs	116
Popularity of the first name Rayna	r=0.81	43yrs	114
Petroluem consumption in Trinidad and Tobago	r=0.83	42yrs	106
Popularity of the first name Nasir	r=0.81	43yrs	104
Fossil fuel use in U.S. Pacific Islands	r=0.8	42yrs	94
Popularity of the first name Elijah	r=0.8	43yrs	92
Petroluem consumption in Cabo Verde	r=0.82	42yrs	84
Popularity of the first name Carson	r=0.8	43yrs	82
Electricity generation in U.S. Pacific Islands	r=0.79	42yrs	73
Popularity of the first name Owen	r=0.8	43yrs	72
Liquefied petroleum gas used in Bulgaria	r=0.81	42yrs	63
Popularity of the first name Madelyn	r=0.8	43yrs	62
Petroluem consumption in Kiribati	r=0.81	42yrs	53
Popularity of the first name Rylee	r=0.8	43yrs	52
Popularity of the first name Malachi	r=0.8	43yrs	42
Popularity of the first name Helena	r=0.8	43yrs	32

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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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