By: KDKA-TV News Staff

ALLEGHENY COUNTY, Pa. (KDKA) — The state Department of Environmental Protection has issued a Code Orange air quality alert for ozone in Allegheny County.

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The alert goes into effect Saturday for the Liberty-Clairton area and is issued when air pollution concentrations may become unhealthy for those with breathing issues and sensitive groups, like the very young and elderly.

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The area was also under an air quality alert on Thursday and Friday.

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