Code Orange Air Quality alert issued for the Mon Valley

The Pennsylvania Department of Environmental Protection has declared a Code Orange Air Quality Action Day for the Mon Valley area on Monday.
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Code Orange air quality warning declared for Mon Valley

An air quality action day has been issued for Allegheny County’s Mon Valley because of a spike in particulate matter pollution. The Pennsylvania Department of Environmental Protection declared a Code ...

Code orange alert in effect Monday for Mon Valley

A Code Orange Alert is continuing into Monday for the Mon Valley area in Allegheny County.

Code Orange air quality warning in Mon Valley lifted, officials say

Allegheny County officials said the recent "Mon Valley Air Pollution Episode has now ended." ...