How deadly is air pollution? 01:07

(CNN)Air pollution is deadly: A new study links exposure to it to more than 107,000 premature deaths in the United States in 2011.

It isn’t just killing us; it cost the country $866 billion, more than double the value of all the economic activity in a country like Ireland, according to the study, published Monday in the Proceedings of the National Academy of Sciences.

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Photo Credit:  NOMAD [CC BY 2.0 (], via Wikimedia Commons