Top variables that correlate with Air quality in Philadelphia, Pennsylvania

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Data source: Environmental Protection Agency
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Air quality in Philadelphia, Pennsylvania correlates with...

Variable	Correlation	Years	Sys. Score
Average milk produced per cow in the US	r=0.94	43yrs	423
Total geothermal power generated globally	r=0.95	42yrs	402
USA Population	r=0.94	43yrs	400
Electricity generation in Brazil	r=0.94	42yrs	400
Renewable energy production in Brazil	r=0.94	42yrs	400
US Annual Tax Revenue	r=0.91	42yrs	394
Intel Corporation's annual revenue	r=0.92	36yrs	390
Number of households headed by single fathers in the United States	r=0.92	32yrs	388
Annual Revenue of Walt Disney Company	r=0.91	32yrs	388
Inflation in the US	r=0.91	31yrs	384
Total number of automotive recalls	r=0.89	43yrs	384
Number of internet users	r=0.91	24yrs	380
Ticket prices at North American movie theaters	r=0.91	22yrs	378
U.S. direct investment abroad	r=0.92	22yrs	378
Popularity of the first name Callie	r=0.94	43yrs	378
Popularity of the first name Moshe	r=0.93	43yrs	377
US milk fat used to produce yogurt	r=0.92	22yrs	376
Popularity of the first name Tucker	r=0.92	43yrs	376
Popularity of the 'red pill blue pill' meme	r=0.9	18yrs	376
Economic output of Washington metro area	r=0.91	21yrs	374
US production of cheese (other than cottage cheese)	r=0.9	22yrs	373
Google searches for 'tummy ache'	r=0.9	20yrs	372
Renewable energy production in Cameroon	r=0.94	42yrs	370
Patents granted in the US	r=0.9	41yrs	370
Global Net Sales for Walmart	r=0.9	17yrs	368
Hotdogs consumed by Nathan's Hot Dog Eating Competition Champion	r=0.89	43yrs	368
GMO use in corn	r=0.94	24yrs	367
Patents granted in the US	r=0.89	41yrs	365
Budget for largest movie production	r=0.86	43yrs	361
Total number of live births in Australia	r=0.88	43yrs	361
Google searches for 'i have the flu'	r=0.89	20yrs	361
GMO use in cotton	r=0.92	23yrs	360
Google searches for 'i have a headache'	r=0.88	20yrs	360
Total hydopower energy generated globally	r=0.93	42yrs	359
Realty Income's stock price (O)	r=0.87	22yrs	358
Cognizant Technology Solutions' stock price (CTSH)	r=0.86	22yrs	357
Annual US household spending on telephone services	r=0.92	23yrs	357
Novartis AG's stock price (NVS)	r=0.85	22yrs	356
Annual US household spending on rented dwellings	r=0.9	23yrs	354
Electricity generation in Brunei	r=0.93	42yrs	349
Popularity of the first name Emilio	r=0.92	43yrs	346
Average length of PBS Space Time YouTube videos	r=0.95	9yrs	344
US milk fat used to produce whey products (net)	r=0.9	22yrs	343
Yearly Total Gross Income of US Farms	r=0.88	23yrs	342
Renewable energy production in Canada	r=0.93	42yrs	339
Popularity of the first name Leonel	r=0.92	43yrs	336
US milk fat used to produce sour cream	r=0.9	22yrs	333
Electricity generation in Cayman Islands	r=0.93	42yrs	329
Popularity of the first name Holden	r=0.92	43yrs	326
Colgate-Palmolive Company's stock price (CL)	r=0.85	22yrs	326
US dairy skim solids used to produce yogurt, nonfrozen	r=0.91	22yrs	323
Fossil fuel use in Cayman Islands	r=0.93	42yrs	319
Popularity of the first name Liana	r=0.92	43yrs	316
US dairy skim solids used to produce cheese (other than cottage cheese)	r=0.9	22yrs	312
Number of Lawyers in the United States	r=0.89	34yrs	311
Google searches for 'i am tired'	r=0.87	20yrs	311
Electricity generation in Colombia	r=0.93	42yrs	309
Popularity of the first name Chaim	r=0.92	43yrs	306
US dairy skim solids used to produce sour cream	r=0.9	22yrs	302
Electricity generation in Gibraltar	r=0.93	42yrs	299
Number of Las Vegas Hotel Room Check-Ins	r=0.87	34yrs	299
Popularity of the first name Alden	r=0.92	43yrs	296
Gender pay gap in the U.S.	r=0.86	32yrs	290
Fossil fuel use in Mexico	r=0.93	42yrs	289
Italian-type cheese consumption	r=0.91	27yrs	287
Popularity of the first name Mina	r=0.92	43yrs	286
Total Sales at Clothing and Accessories Stores	r=0.86	31yrs	284
Electricity generation in Saint Kitts and Nevis	r=0.93	42yrs	279
Number of Registered Vehicles in the US	r=0.87	32yrs	278
Hispanic cheese consumption	r=0.91	26yrs	276
Popularity of the first name Julian	r=0.91	43yrs	274
Automotive recalls for issues with the Electrical System	r=0.84	43yrs	270
Electricity generation in Singapore	r=0.93	42yrs	269
Automotive recalls for issues with the Power Train	r=0.83	43yrs	268
Automotive recalls issued by BMW of North America	r=0.8	43yrs	268
Mozzarella cheese consumption	r=0.9	27yrs	266
US Wind Power Generation Capacity	r=0.88	23yrs	266
Popularity of the first name Parker	r=0.91	43yrs	264
Fossil fuel use in Singapore	r=0.93	42yrs	259
Popularity of the first name Josiah	r=0.91	43yrs	254
Electricity generation in Trinidad and Tobago	r=0.93	42yrs	249
Natural cheese consumption	r=0.9	27yrs	248
Popularity of the first name Nolan	r=0.91	43yrs	244
Electricity generation in Tunisia	r=0.93	42yrs	239
Popularity of the first name Cecilia	r=0.91	43yrs	234
US average dairy skim-solid content of fluid beverage milk	r=0.9	22yrs	230
Electricity generation in Argentina	r=0.92	42yrs	228
Popularity of the first name Genesis	r=0.91	43yrs	224
Renewable energy production in Colombia	r=0.92	42yrs	218
Popularity of the first name Ruby	r=0.91	43yrs	214
US milk fat used to produce cheese (excluding cottage cheese)	r=0.9	22yrs	213
Electricity generation in Costa Rica	r=0.92	42yrs	208
Popularity of the first name Vivian	r=0.91	43yrs	204
US production of butter	r=0.89	22yrs	202
Popularity of the first name Liliana	r=0.91	43yrs	194
US production of sour cream	r=0.89	22yrs	192
Popularity of the first name Lukas	r=0.91	43yrs	184
US milk fat used to produce butter	r=0.89	22yrs	182
US production of yogurt, nonfrozen	r=0.88	22yrs	170
US dairy skim solids used to produce butter	r=0.89	22yrs	160
Yogurt consumption	r=0.89	32yrs	149

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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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