More than a third of the US population, from the Midwest to the East Coast, under air quality alerts from Canadian wildfire smoke
By Nouran Salahieh, Joe Sutton and Lauren Mascarenhas, CNN (CNN) — More than third of the US population is under air quality alerts, covering more than a dozen states from the Midwest to the East Coast, as smoke from Canadian wildfires sweeps across parts of the United States, prompting officials to call on the public
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