March 9 declared 'air pollution action day' in Chicago

March 8, 2010 7:49:15 PM PST
An air pollution action day has been declared for the Chicago area Tuesday. That means current levels of air pollution are elevated, specifically fine particulate matter.

That can be especially unhealthy for people with respiratory or pulmonary disorders. They're advised to take special precautions and follow the regimen prescribed by their doctor.


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