As heat wave lingers, so does bad air quality

Friday looks like another of those muggy days that keep air pollution trapped near the ground. The Pollution Control Agency has issued an air quality advisory for the Twin Cities and Rochester from noon to midnight. Conditions got bad enough on Wednesday that the agency upgraded its advisory to a health alert.
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Friday looks like another of those muggy days that keep air pollution trapped near the ground. The Pollution Control Agency has issued an air quality advisory for the Twin Cities and Rochester from noon to midnight. Conditions got bad enough on Wednesday that the agency upgraded its advisory to a health alert.

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