Top variables that correlate with Air quality in Des Moines

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Data source: Environmental Protection Agency
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Air quality in Des Moines correlates with...

Variable	Correlation	Years	Sys. Score
Biomass power generated in Latvia	r=0.9	21yrs	374
Solar power generated in Ecuador	r=0.9	17yrs	370
Solar power generated in Romania	r=0.93	13yrs	370
Annual US household spending on health insurance	r=0.92	23yrs	357
Annual US household spending on healthcare	r=0.91	23yrs	356
US household spending on healthcare	r=0.91	23yrs	356
US household spending on health insurance	r=0.91	23yrs	356
US Wind Power Generation Capacity	r=0.87	23yrs	340
The number of chiropractors in Iowa	r=0.88	20yrs	340
The number of insurance sales agents in Iowa	r=0.89	20yrs	340
The number of electricians in Iowa	r=0.89	20yrs	340
U.S. direct investment abroad	r=0.86	22yrs	338
Total Revenue of the NFL Teams	r=0.88	20yrs	338
US production of cheese (other than cottage cheese)	r=0.86	22yrs	337
US milk fat used to produce cheese (excluding cottage cheese)	r=0.86	22yrs	337
US dairy skim solids used to produce cheese (other than cottage cheese)	r=0.86	22yrs	336
Adidas Group's Global Net Sales	r=0.86	23yrs	335
Annual Revenue of the Lego Group	r=0.85	20yrs	334
Global annual electricity generation	r=0.85	18yrs	332
Annual US household spending on rented dwellings	r=0.9	23yrs	324
GMO use in cotton	r=0.87	23yrs	322
Annual US household spending on telephone services	r=0.89	23yrs	322
Annual US household spending on fresh vegetables	r=0.87	23yrs	320
Annual US household spending on medical supplies	r=0.87	23yrs	320
US household spending on rented dwellings	r=0.87	23yrs	320
Annual US household spending on fresh fruits	r=0.86	23yrs	318
US Tree Nut Consumption per Person	r=0.86	22yrs	317
Biomass power generated in Mozambique	r=0.89	22yrs	313
Amazon's shipping revenue in millions of dollars	r=0.9	11yrs	309
The number of postal service clerks in Iowa	r=0.88	20yrs	308
Biomass power generated in Nigeria	r=0.89	22yrs	303
Revenue of US Broadcasting Industry	r=0.86	17yrs	302
The number of college administrators in Iowa	r=0.85	20yrs	294
Wind power generated in Tunisia	r=0.89	22yrs	293
Portion of all US dairy skim-solids allocated to the production of cheese (other than cottage cheese)	r=0.87	22yrs	287
Biomass power generated in Lithuania	r=0.89	21yrs	282
Patents granted to LG Electronics	r=0.88	12yrs	280
US average milk-fat content of cheese (other than cottage cheese)	r=0.88	22yrs	277
Solar power generated in Aruba	r=0.93	12yrs	269
US average dairy skim-solid content of yogurt, nonfrozen	r=0.87	22yrs	266
The number of phlebotomists in Iowa	r=0.91	11yrs	265
Geothermal power generated in Germany	r=0.87	18yrs	256
Petroluem consumption in Timor-Leste	r=0.88	19yrs	246
Solar power generated in Kiribati	r=0.87	17yrs	235
Ticket prices at North American movie theaters	r=0.82	22yrs	229
Total NBA League Revenue	r=0.84	21yrs	228
Jet fuel used in Germany, West	r=0.93	11yrs	225
Economic output of Washington metro area	r=0.81	21yrs	224
Google's Advertising Revenue	r=0.8	22yrs	223
Popularity of the first name Malcolm	r=0.76	43yrs	216
Biomass power generated in Sri Lanka	r=0.86	17yrs	214
Amazon's Annual Outbound Shipping Expenditure in Millions	r=0.89	11yrs	213
The Walt Disney Company's stock price (DIS)	r=0.76	22yrs	212
Popularity of the first name Hakeem	r=0.73	43yrs	212
3M Company's stock price (MMM)	r=0.78	22yrs	210
Dominion Energy's stock price (D)	r=0.78	22yrs	210
Global Apple iPhone Sales in Q3	r=0.85	12yrs	206
Popularity of the first name Marcel	r=0.69	43yrs	206
Solar power generated in North Macedonia	r=0.9	11yrs	184
Equity Residential's stock price (EQR)	r=0.75	22yrs	176
Popularity of the first name Kaycee	r=0.69	43yrs	176
Google's annual advertising revenue	r=0.8	22yrs	173
US production of sour cream	r=0.84	22yrs	169
The number of physician assistants in Iowa	r=0.85	20yrs	168
Global count of operating nuclear power plants	r=0.64	43yrs	165
Solar power generated in Guinea	r=0.89	13yrs	164
Intel's stock price (INTC)	r=0.74	22yrs	164
Annual US household spending on food	r=0.85	23yrs	162
The number of medical equipment repairers in Iowa	r=0.85	20yrs	158
US milk fat used to produce yogurt	r=0.82	22yrs	156
Annual US household spending on poultry	r=0.84	23yrs	155
Royal Caribbean Cruises' stock price (RCL)	r=0.74	22yrs	154
Annual US household spending on fruits and vegetables	r=0.84	23yrs	150
US dairy skim solids used to produce yogurt, nonfrozen	r=0.83	22yrs	146
The number of transportation, storage, and distribution managers in Iowa	r=0.83	20yrs	146
Annual US household spending on housing	r=0.84	23yrs	145
Annual US household spending on education	r=0.84	21yrs	138
The number of producers and directors in Iowa	r=0.83	20yrs	136
US production of dry milk products (net)	r=0.81	22yrs	134
Annual US household spending on eggs	r=0.82	23yrs	132
US per-person consumption of bottled water	r=0.81	24yrs	131
Annual US household spending on property taxes	r=0.82	23yrs	127
The number of dental assistants in Iowa	r=0.83	20yrs	126
US milk fat used to produce sour cream	r=0.81	22yrs	124
Annual US household spending on laundry and cleaning supplies	r=0.82	23yrs	122
Annual US household spending on personal care products and services	r=0.82	23yrs	117
The number of industrial production managers in Iowa	r=0.82	20yrs	114
US dairy skim solids used to produce dry milk products	r=0.81	22yrs	113
Annual US household spending on home maintenance	r=0.81	23yrs	111
Annual US household spending on utilities	r=0.81	23yrs	106
US dairy skim solids used to produce sour cream	r=0.81	22yrs	103
Annual US household spending on housekeeping supplies	r=0.81	23yrs	101
Annual US household spending on other household products	r=0.81	23yrs	96
US Bottled Water Consumption per Person	r=0.82	24yrs	94
Annual US household spending on maintenance and repairs	r=0.81	23yrs	91
Liquefied petroleum gas used in Spain	r=0.74	43yrs	84
Consumption of dry whole milk products	r=0.71	32yrs	77
Wind power generated in Morocco	r=0.85	22yrs	72
Biomass power generated in Papua New Guinea	r=0.84	22yrs	60
Biomass power generated in Zambia	r=0.84	22yrs	50
Wind power generated in Czechia	r=0.83	22yrs	39

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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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