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

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

Variable	Correlation	Years	Sys. Score
Biomass power generated in Slovenia	r=0.9	23yrs	376
US milk fat used to produce yogurt	r=0.9	22yrs	373
Solar power generated in Libya	r=0.94	12yrs	370
Customer satisfaction with Apple	r=0.87	28yrs	366
Customer satisfaction with Dillard's	r=0.85	27yrs	362
Electricity generation in Kazakhstan	r=0.87	30yrs	348
Number of internet users	r=0.86	24yrs	342
US production of yogurt, nonfrozen	r=0.89	22yrs	342
US milk fat used to produce sour cream	r=0.89	22yrs	342
U.S. direct investment abroad	r=0.87	22yrs	340
Google searches for 'where to buy crutches'	r=0.86	19yrs	336
The number of radiation therapists in North Carolina	r=0.87	20yrs	336
The number of dentists in North Carolina	r=0.86	19yrs	336
Patents granted to Apple	r=0.91	12yrs	334
GMO use in corn	r=0.89	24yrs	330
GMO use in corn	r=0.88	24yrs	328
GMO use in cotton	r=0.88	23yrs	324
How insightful SmarterEveryDay YouTube video titles are	r=0.89	17yrs	322
How professional-sounding SmarterEveryDay YouTube video titles are	r=0.89	17yrs	322
Food spending in North Carolina	r=0.88	24yrs	320
Restaurant spending in North Carolina	r=0.86	24yrs	320
Annual US household spending on telephone services	r=0.87	23yrs	320
Grocery store spend in North Carolina	r=0.87	24yrs	319
Annual US household spending on education	r=0.88	21yrs	319
Wind power generated in Latvia	r=0.89	26yrs	317
Annual US household spending on utilities	r=0.85	23yrs	316
Annual US household spending on electricity	r=0.85	23yrs	316
US dairy skim solids used to produce yogurt, nonfrozen	r=0.89	22yrs	310
Nuclear power generation in Czechia	r=0.86	29yrs	306
US dairy skim solids used to produce sour cream	r=0.89	22yrs	300
Total viewership of the Aviva Premiership Rugby final	r=0.89	14yrs	300
US Biomass Energy Production	r=0.85	17yrs	300
Electricity generation in Russia	r=0.86	30yrs	296
GMO use in cotton in North Carolina	r=0.87	23yrs	292
US milk fat used to produce whey products (net)	r=0.86	22yrs	287
Gasoline pumped in Russia	r=0.86	30yrs	284
GMO use in cotton	r=0.85	23yrs	280
Petroluem consumption in Palestinian Territories	r=0.88	25yrs	272
Hispanic cheese consumption	r=0.88	26yrs	262
Kerosene used in Falkland Islands	r=0.87	26yrs	261
Total number of automotive recalls	r=0.76	43yrs	260
Wind power generated in Czechia	r=0.87	22yrs	250
Automotive recalls for issues with the Electrical System	r=0.71	43yrs	250
Automotive recalls for issues with the Power Train	r=0.71	43yrs	250
Automotive recalls issued by BMW of North America	r=0.67	43yrs	249
Google searches for 'i have the flu'	r=0.84	20yrs	248
Hotdogs consumed by Nathan's Hot Dog Eating Competition Champion	r=0.78	43yrs	247
Total number of live births in Australia	r=0.8	43yrs	244
Patents granted in the US	r=0.76	41yrs	244
Automotive recalls issued by Honda	r=0.64	43yrs	244
Automotive recalls issued by Nissan North America	r=0.64	43yrs	244
Customer satisfaction with Southwest Airlines	r=0.76	28yrs	244
Fomento Econ's stock price (FMX)	r=0.8	22yrs	243
USA Population	r=0.79	43yrs	242
Biomass power generated in India	r=0.86	23yrs	240
Patents granted in the US	r=0.75	41yrs	239
US average milk-fat content of yogurt, nonfrozen	r=0.89	22yrs	238
Budget for largest movie production	r=0.73	43yrs	236
US Annual Tax Revenue	r=0.75	42yrs	236
UFO sightings in North Carolina	r=0.69	42yrs	234
Inflation in the US	r=0.8	31yrs	232
Yearly Total Gross Income of US Farms	r=0.84	23yrs	232
Jet fuel used in Sao Tome and Principe	r=0.89	22yrs	230
Ticket prices at North American movie theaters	r=0.83	22yrs	230
Hollister retail store count worldwide	r=0.84	23yrs	230
Total Sales at Clothing and Accessories Stores	r=0.76	31yrs	229
Economic output of Washington metro area	r=0.84	21yrs	228
Portion of all US dairy skim-solids allocated to the production of cheese (other than cottage cheese)	r=0.87	22yrs	227
Google searches for 'how to make baby'	r=0.83	20yrs	227
The number of physical therapists in North Carolina	r=0.84	20yrs	227
UEFA European Cup and Champions League Top Scorer's Goal Count	r=0.67	43yrs	224
Popularity of the first name Lucas	r=0.81	43yrs	224
Popularity of the first name Genesis	r=0.81	43yrs	224
Popularity of the first name Ruby	r=0.81	43yrs	224
Petroluem consumption in Turks and Caicos Islands	r=0.85	27yrs	219
US average dairy skim-solid content of cheese (other than cottage cheese)	r=0.88	22yrs	217
Jet fuel used in Samoa	r=0.88	22yrs	208
Average milk produced per cow in the US	r=0.79	43yrs	206
US average dairy skim-solid content of fluid beverage milk	r=0.86	22yrs	204
Solar power generated in Angola	r=0.91	12yrs	196
The number of occupational therapists in North Carolina	r=0.83	20yrs	196
Popularity of the first name Vivian	r=0.81	43yrs	194
Solar power generated in Mali	r=0.91	12yrs	186
Popularity of the first name Callie	r=0.81	43yrs	184
Total employee count at Continental AG	r=0.81	24yrs	178
Liquefied petroleum gas used in Maldives	r=0.87	18yrs	173
Number of households headed by single fathers in the United States	r=0.74	32yrs	171
Intel Corporation's annual revenue	r=0.71	36yrs	164
Gasoline pumped in Timor-Leste	r=0.86	19yrs	162
US Shoe Store Sales	r=0.75	30yrs	159
UK Service Retail Price Index	r=0.84	19yrs	154
Wind power generated in Venezuela	r=0.93	10yrs	127
US production of cheese (other than cottage cheese)	r=0.83	22yrs	108
US milk fat used to produce cheese (excluding cottage cheese)	r=0.83	22yrs	98
US dairy skim solids used to produce cheese (other than cottage cheese)	r=0.84	22yrs	88
US production of butter	r=0.82	22yrs	76
Electricity generation in Saint Kitts and Nevis	r=0.82	42yrs	68
US production of whey products (net)	r=0.82	22yrs	66
US production of sour cream	r=0.82	22yrs	56
US milk fat used to produce butter	r=0.82	22yrs	46
US dairy skim solids used to produce butter	r=0.82	22yrs	34

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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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