* Canada wildfires spark air quality alerts in Chicago and Milwaukee BBC
* Midwest air quality plummets as Canada wildfire smoke moves in Yahoo News
* Smoky air over Grand Haven MLive
* ‘Stay indoors': American Lung Association doctor's advice on what to do during an air quality alert NBC Chicago
* Chicago and Midwest Air Quality Declines as Canada Wildfire Smoke Lingers The New York Times
* View Full Coverage on Google News
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