SACRAMENTO (CBS13) – Indoor air pollution ranks in the top five environmental risks to people, according to studies done by the Environmental Protection Agency and the Science Advisory Board.   Nearly half of all schools in the United States have reported issues with indoor air quality.

It can lead to asthma, which affects nearly 1 in 13 school-age children. Asthma ranks as the number one reason for school absences due to chronic illness, according to the EPA.

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