United States" data-provinces="[["Alabama","Alabama"],["Alaska","Alaska"],["American Samoa","American Samoa"],["Arizona","Arizona"],["Arkansas","Arkansas"],["Armed Forces Americas","Armed Forces Americas"],["Armed Forces Europe","Armed Forces Europe"],["Armed Forces Pacific","Armed Forces Pacific"],["California","California"],["Colorado","Colorado"],["Connecticut","Connecticut"],["Delaware","Delaware"],["District of Columbia","Washington DC"],["Federated States of Micronesia","Micronesia"],["Florida","Florida"],["Georgia","Georgia"],["Guam","Guam"],["Hawaii","Hawaii"],["Idaho","Idaho"],["Illinois","Illinois"],["Indiana","Indiana"],["Iowa","Iowa"],["Kansas","Kansas"],["Kentucky","Kentucky"],["Louisiana","Louisiana"],["Maine","Maine"],["Marshall Islands","Marshall Islands"],["Maryland","Maryland"],["Massachusetts","Massachusetts"],["Michigan","Michigan"],["Minnesota","Minnesota"],["Mississippi","Mississippi"],["Missouri","Missouri"],["Montana","Montana"],["Nebraska","Nebraska"],["Nevada","Nevada"],["New Hampshire","New Hampshire"],["New Jersey","New Jersey"],["New Mexico","New Mexico"],["New York","New York"],["North Carolina","North Carolina"],["North Dakota","North Dakota"],["Northern Mariana Islands","Northern Mariana Islands"],["Ohio","Ohio"],["Oklahoma","Oklahoma"],["Oregon","Oregon"],["Palau","Palau"],["Pennsylvania","Pennsylvania"],["Puerto Rico","Puerto Rico"],["Rhode Island","Rhode Island"],["South Carolina","South Carolina"],["South Dakota","South Dakota"],["Tennessee","Tennessee"],["Texas","Texas"],["Utah","Utah"],["Vermont","Vermont"],["Virgin Islands","U.S. Virgin Islands"],["Virginia","Virginia"],["Washington","Washington"],["West Virginia","West Virginia"],["Wisconsin","Wisconsin"],["Wyoming","Wyoming"]]">United States

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Why is Air Quality Worse in the Winter?

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