MON VALLEY — An air pollution warning was issued for the Mon Valley on Sunday.
The Allegheny County Health Department said the 24-hour PM2.5 standard (fine particulate matter) for the Mon Valley has been exceeded at an official monitoring station in the Mon Valley and is likely to continue.
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 during this time.
More information about PM2.5, as well as the current monitored values can be found here.
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