The Department of Environmental Protection and its regional air quality partnerships have forecast a code Orange air quality action day for ozone for Saturday, July 7, in the Lehigh Valley, Pittsburgh, Liberty-Clairton, Philadelphia, and Susquehanna Valley regions.

On air quality action days, young children, the elderly and those with respiratory problems, such as asthma, emphysema and bronchitis, are especially vulnerable to the effects of air pollution and should limit outdoor activities.

via Air Quality Action Day Forecast July 7 in All Five PA Regions – PR Newswire – The Sacramento Bee.