Top variables that correlate with Air quality in Charlotte, North Carolina

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Data source: Environmental Protection Agency
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Air quality in Charlotte, North Carolina correlates with...

Variable	Correlation	Years	Sys. Score
Solar power generated in Libya	r=0.95	12yrs	402
Petroluem consumption in Algeria	r=0.9	42yrs	392
Wind power generated in Latvia	r=0.9	26yrs	378
US milk fat used to produce yogurt	r=0.91	22yrs	374
US dairy skim solids used to produce yogurt, nonfrozen	r=0.9	22yrs	372
Customer satisfaction with Dillard's	r=0.87	27yrs	365
Total number of live births in Australia	r=0.88	43yrs	361
GMO use in corn	r=0.9	24yrs	361
U.S. direct investment abroad	r=0.88	22yrs	342
Popularity of the first name Levi	r=0.89	43yrs	341
Popularity of the first name Graham	r=0.89	43yrs	341
Popularity of the first name Henry	r=0.88	43yrs	340
The number of dentists in North Carolina	r=0.85	19yrs	334
Electricity generation in Libya	r=0.88	42yrs	332
GMO use in cotton	r=0.88	23yrs	324
How professional-sounding SmarterEveryDay YouTube video titles are	r=0.9	17yrs	324
Fossil fuel use in Libya	r=0.88	42yrs	322
GMO use in cotton in North Carolina	r=0.87	23yrs	322
US household spending on healthcare	r=0.89	23yrs	322
Annual US household spending on telephone services	r=0.88	23yrs	321
US household spending on rented dwellings	r=0.88	23yrs	321
US household spending on health insurance	r=0.88	23yrs	321
US household spending on fresh fruits	r=0.87	23yrs	320
Food spending in North Carolina	r=0.86	24yrs	318
Annual US household spending on education	r=0.86	21yrs	316
Annual US household spending on health insurance	r=0.85	23yrs	316
Geothermal power generated in New Zealand	r=0.88	42yrs	312
Popularity of the first name Liam	r=0.88	43yrs	310
US production of yogurt, nonfrozen	r=0.86	22yrs	307
Fossil fuel use in Algeria	r=0.87	42yrs	300
Popularity of the first name Vivian	r=0.88	43yrs	300
US milk fat used to produce sour cream	r=0.86	22yrs	297
Biomass power generated in Brazil	r=0.87	42yrs	290
Popularity of the first name Elliot	r=0.88	43yrs	290
US dairy skim solids used to produce sour cream	r=0.86	22yrs	286
Fossil fuel use in Egypt	r=0.87	42yrs	280
Popularity of the first name Genevieve	r=0.88	43yrs	280
Electricity generation in Equatorial Guinea	r=0.87	42yrs	270
Average milk produced per cow in the US	r=0.82	43yrs	270
Popularity of the first name Eden	r=0.88	43yrs	270
Hispanic cheese consumption	r=0.86	26yrs	268
Automotive recalls for issues with the Electrical System	r=0.82	43yrs	267
Total number of automotive recalls	r=0.8	43yrs	266
Automotive recalls issued by BMW of North America	r=0.77	43yrs	264
Fossil fuel use in Equatorial Guinea	r=0.87	42yrs	260
Popularity of the first name Brielle	r=0.88	43yrs	260
Automotive recalls issued by Hyundai Motor America	r=0.78	37yrs	260
Automotive recalls for issues with the Power Train	r=0.75	43yrs	256
Automotive recalls issued by Nissan North America	r=0.71	43yrs	255
Patents granted in the US	r=0.83	41yrs	254
Hotdogs consumed by Nathan's Hot Dog Eating Competition Champion	r=0.81	43yrs	252
Automotive recalls issued by Mercedes-Benz USA	r=0.69	43yrs	252
Patents granted in the US	r=0.83	41yrs	251
Biomass power generated in Italy	r=0.87	42yrs	250
Popularity of the first name Silas	r=0.88	43yrs	250
US average milk-fat content of yogurt, nonfrozen	r=0.9	22yrs	250
Google searches for 'i have the flu'	r=0.85	20yrs	250
USA Population	r=0.83	43yrs	248
Automotive recalls issued by Honda	r=0.66	43yrs	248
Customer satisfaction with Southwest Airlines	r=0.78	28yrs	248
Customer satisfaction with Apple	r=0.78	28yrs	248
Fomento Econ's stock price (FMX)	r=0.82	22yrs	246
Colgate-Palmolive Company's stock price (CL)	r=0.82	22yrs	246
Automotive recalls issued by Volkswagen Group of America	r=0.64	43yrs	244
Automotive recalls issued by Porsche	r=0.64	43yrs	244
Number of firearms manufactured in the US	r=0.84	36yrs	243
US Annual Tax Revenue	r=0.8	42yrs	243
Enbridge's stock price (ENB)	r=0.8	22yrs	243
UFO sightings in North Carolina	r=0.74	42yrs	242
Budget for largest movie production	r=0.76	43yrs	241
Fossil fuel use in Oman	r=0.87	42yrs	240
Popularity of the first name Valentina	r=0.88	43yrs	240
Intel Corporation's annual revenue	r=0.8	36yrs	237
Portion of all US dairy skim-solids allocated to the production of cheese (other than cottage cheese)	r=0.87	22yrs	237
Inflation in the US	r=0.82	31yrs	235
Number of Lawyers in the United States	r=0.75	34yrs	235
Number of households headed by single fathers in the United States	r=0.8	32yrs	234
Number of internet users	r=0.84	24yrs	234
Ticket prices at North American movie theaters	r=0.84	22yrs	232
Electricity generation in Qatar	r=0.87	42yrs	230
Popularity of the first name Stella	r=0.88	43yrs	230
US average dairy skim-solid content of yogurt, nonfrozen	r=0.86	22yrs	224
Fossil fuel use in Sao Tome and Principe	r=0.87	42yrs	220
Popularity of the first name Leighton	r=0.88	43yrs	220
US average dairy skim-solid content of cheese (other than cottage cheese)	r=0.85	22yrs	212
Electricity generation in Saudi Arabia	r=0.87	42yrs	210
Popularity of the first name Evelyn	r=0.87	43yrs	208
Fossil fuel use in Saudi Arabia	r=0.87	42yrs	200
Popularity of the first name Amelia	r=0.87	43yrs	198
Automotive recalls issued by Chrysler	r=0.62	43yrs	192
Gasoline pumped in Libya	r=0.89	42yrs	190
Popularity of the first name Nolan	r=0.87	43yrs	188
Automotive recalls for issues with the Air Bags	r=0.7	33yrs	184
Global plane crashes	r=0.73	43yrs	184
Total hydopower energy generated globally	r=0.86	42yrs	178
Popularity of the first name Charlotte	r=0.87	43yrs	178
Annual Revenue of Walt Disney Company	r=0.77	32yrs	177
Electricity generation in Bangladesh	r=0.86	42yrs	168
Popularity of the first name Esther	r=0.87	43yrs	168
Popularity of the first name Clara	r=0.87	43yrs	158
Popularity of the first name Lucy	r=0.87	43yrs	148

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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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