ALLEGHENY COUNTY, Pa. — UPDATE: The air quality alert has been lifted for Monday.
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Initial coverage:
A code orange air quality alert has been issued for parts of Allegheny County Sunday, and will be in effect for even more counties on Monday.
The communities that are impacted on Sunday include Clairton City, Glassport Borough, Liberty Borough, Lincoln Borough and Port Vue Borough. On Monday the areas under the alert include Allegheny, Armstrong, Beaver, Butler, Fayette, Washington and Westmoreland counties.
Lingering smoke from the wildfires in Canada and temperatures in the upper 80s will contribute to the air quality.
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.
The Allegheny County Health Department said the 24-hour PM2.5 standard for the Mon Valley has been exceeded at an official monitoring station in the Mon Valley and is likely to continue.
Companies most significantly contributing to particulate pollution in the Mon Valley region are required to temporarily reduce particulate emissions, according to the health department.
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