UNACCEPTABLE AIR Crossword Clue
UNACCEPTABLE AIR Crossword Clue
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Crossword Puzzle Infos
Unacceptable air is a term used to describe air that does not meet the standards set by the Environmental Protection Agency (EPA). The term is often used in reference to SMOG, which is a combination of smoke and fog created by the burning of fossil fuels. SMOG is an example of unacceptable air, as it contains pollutants that can be harmful to human health.