The Pennsylvania Department of Environmental Protection has issued a Code Orange air quality alert for Saturday in Allegheny County as well as Dauphin, Cumberland, Lebanon, Lancaster, and York counties.
Strong temperature inversions in southwest and south-central Pennsylvania will increase air pollution concentrations into the Code Orange range Saturday morning.
These levels could affect children, older adults and people with respiratory conditions such as asthma, emphysema or bronchitis, the DEP said. Those people are advised to limit outdoor activities, the DEP said…