The Philadelphia area, parts of South Jersey and the Lehigh Valley will experience unhealthy air quality for sensitive groups on Wednesday, according to officials.

The Pennsylvania Department of Environment Protection issued the Code Orange Alert due to the expected clear skies and temperatures in the 80s forecast for tomorrow along with wildfire smoke coming in from Canada.

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A Code Orange Alert means that young children, the elderly and those with respiratory problems, such as asthma, emphysema, and bronchitis, are especially vulnerable and should limit outdoor activity, according to the DEP.

The alert is in effect for Bucks, Chester, Delaware, Montgomery, Lancaster and Philadelphia counties, along wi

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