Top variables that correlate with Air pollution in Pittsburgh

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Data source: Environmental Protection Agency
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Air pollution in Pittsburgh correlates with...

Variable	Correlation	Years	Has img?
xkcd comics published about romance	r=0.91	17yrs	No

Air pollution in Pittsburgh also correlates with...

Variable	Correlation	Years	Sys. Score
The number of telemarketers in Pennsylvania	r=0.93	20yrs	377
The number of prepress technicians and workers in Pennsylvania	r=0.94	20yrs	377
U.S. intercountry adoptions	r=0.91	23yrs	376
Physical album shipment volume in the United States	r=0.9	24yrs	375
The number of postmasters in Pennsylvania	r=0.92	20yrs	374
Liquefied petroleum gas used in Kosovo	r=0.91	14yrs	365
GMO use in cotton	r=0.92	23yrs	360
Fossil fuel use in Hungary	r=0.86	42yrs	358
Portion of all US dairy skim-solids allocated to the production of frozen dairy products	r=0.92	22yrs	353
US average milk-fat content of milk fat and skim solids byproduct fluid beverage milk	r=0.92	22yrs	353
US average milk-fat content of cottage cheese	r=0.92	22yrs	353
US birth rates of triplets or more	r=0.9	20yrs	348
Nuclear power generation in Germany	r=0.86	31yrs	348
The number of musicians in Pennsylvania	r=0.91	20yrs	342
Viewership count of American Idol Season Finale	r=0.87	21yrs	342
Cigarette Smoking Rate for US adults	r=0.89	21yrs	340
Google searches for 'learn spanish'	r=0.88	20yrs	340
Google searches for 'oprah winfrey'	r=0.88	20yrs	340
Google searches for 'snoop dog'	r=0.88	20yrs	340
United States music album sales	r=0.89	16yrs	336
The number of counter and rental clerks in Pennsylvania	r=0.91	20yrs	332
The number of typists in Pennsylvania	r=0.91	20yrs	322
Portion of all US dairy skim-solids allocated to the production of fluid beverage milk	r=0.91	22yrs	322
US household spending on prescription drugs	r=0.89	23yrs	322
US household spending on mortgage interest and charges	r=0.88	23yrs	321
US household spending on clothin for women	r=0.88	23yrs	321
US household spending on postage and stationery	r=0.87	23yrs	320
US household spending on clothing	r=0.86	23yrs	318
US household spending on vehicle insurance	r=0.86	23yrs	318
Associates degrees awarded in Business and management	r=0.91	11yrs	315
Gasoline pumped in Croatia	r=0.86	30yrs	314
Google searches for 'shook'	r=0.85	20yrs	305
Pirate attacks globally	r=0.87	14yrs	305
US production of cottage cheese	r=0.88	22yrs	300
Liquefied petroleum gas used in Greenland	r=0.87	22yrs	297
Google searches for 'desktop background'	r=0.86	17yrs	294
US dairy skim solids used to produce cottage cheese	r=0.88	22yrs	288
The number of cutters and trimmers, hand in Pennsylvania	r=0.9	20yrs	281
US production of fluid beverage milk	r=0.85	22yrs	276
The number of legislators in Pennsylvania	r=0.88	20yrs	270
The number of library technicians in Pennsylvania	r=0.89	20yrs	260
Asthma attacks in American children	r=0.84	23yrs	254
The number of postal service machine operators in Pennsylvania	r=0.89	20yrs	250
AIG's stock price (AIG)	r=0.84	22yrs	249
Lloyds Banking Group's stock price (LYG)	r=0.84	22yrs	249
US average milk-fat content of frozen dairy products	r=0.89	22yrs	248
Citigroup's stock price (C)	r=0.83	22yrs	248
The number of file clerks in Pennsylvania	r=0.88	20yrs	238
Portion of all US dairy skim-solids allocated to the production of cottage cheese	r=0.86	22yrs	234
Google searches for 'report UFO sighting'	r=0.84	20yrs	234
Popularity of the first name Leslie	r=0.85	43yrs	230
Robberies in Pennsylvania	r=0.69	38yrs	230
The number of painting, coating, and decorating workers in Pennsylvania	r=0.88	20yrs	228
Popularity of the first name Rolando	r=0.84	43yrs	228
US Employment Rate	r=0.74	33yrs	225
Popularity of the first name Lesley	r=0.81	43yrs	224
The number of compensation and benefits managers in Pennsylvania	r=0.89	19yrs	218
Orange's stock price (ORAN)	r=0.83	22yrs	218
The number of couriers and messengers in Pennsylvania	r=0.87	20yrs	206
Barclays' stock price (BCS)	r=0.81	22yrs	204
The number of carpenters in Pennsylvania	r=0.87	20yrs	196
Deutsche Bank Aktiengesellschaft's stock price (DB)	r=0.81	22yrs	194
Popularity of the first name Kenny	r=0.81	43yrs	194
Petroluem consumption in Italy	r=0.8	43yrs	192
The number of cooks, short order in Pennsylvania	r=0.86	20yrs	185
Popularity of the first name Marlon	r=0.8	43yrs	182
Hydopower energy generated in Denmark	r=0.77	42yrs	180
Google searches for 'black holes'	r=0.82	20yrs	176
The number of janitors and cleaners in Pennsylvania	r=0.86	20yrs	175
Popularity of the first name Lourdes	r=0.8	43yrs	172
Kerosene used globally	r=0.79	42yrs	170
The number of receptionists in Pennsylvania	r=0.85	20yrs	165
Popularity of the first name Brant	r=0.8	43yrs	162
Petroluem consumption in France	r=0.78	43yrs	160
The number of forging machine setters, operators, and tenders, metal and plastic in Pennsylvania	r=0.86	20yrs	155
Popularity of the first name Roberto	r=0.79	43yrs	151
Kerosene used in Greece	r=0.79	42yrs	150
The number of sewing machine operators in Pennsylvania	r=0.85	20yrs	144
Popularity of the first name Carmen	r=0.79	43yrs	141
US milk fat used to produce fluid beverage milk	r=0.85	22yrs	140
Petroluem consumption in Denmark	r=0.76	43yrs	136
Popularity of the first name Aja	r=0.79	43yrs	131
Kerosene used in Indonesia	r=0.76	42yrs	126
US dairy skim solids used to produce milk fat and skim solids byproduct fluid beverage milk	r=0.83	22yrs	126
Popularity of the first name Josef	r=0.79	43yrs	121
Gasoline pumped in Norway	r=0.76	43yrs	116
Ice cream consumption	r=0.83	32yrs	115
Geothermal power generated in Austria	r=0.85	17yrs	112
Popularity of the first name Orlando	r=0.78	43yrs	110
Petroluem consumption in Switzerland	r=0.76	43yrs	106
Popularity of the first name Josh	r=0.78	43yrs	100
Kerosene used in Japan	r=0.75	43yrs	95
Popularity of the first name Nathan	r=0.77	43yrs	88
Petroluem consumption in Sweden	r=0.75	43yrs	85
Popularity of the first name Antonio	r=0.77	43yrs	78
Kerosene used in United States	r=0.75	43yrs	75
Popularity of the first name Mario	r=0.77	43yrs	68
Fossil fuel use in Slovakia	r=0.82	29yrs	64
Popularity of the first name Jillian	r=0.77	43yrs	58
Kerosene used in Central African Republic	r=0.8	35yrs	54

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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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