Air quality alert issued for southern 2/3 of Minn.
The Minnesota Pollution Control Agency has issued an air quality advisory for the southern two-thirds of Minnesota.
High pressure over Wisconsin will result in calm winds and a strong temperature inversion over Minnesota, trapping fine particles near the surface. Air Quality Index levels are forecast to reach unhealthy levels on Friday.
People with respiratory or cardiovascular problems, young children, the elderly and physically active people are the most sensitive to air pollution.
Air quality is expected to improve over the weekend as winds increase and clean air flows in.
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On the Net: MPCA AQI Web site at http://aqi.pca.state.mn.us
(Copyright 2009 by The Associated Press. All Rights Reserved.)
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