Canadian wildfire smoke gives Minnesota city the worst air in the US

St. Paul, Minnesota, has the worst air quality in the United States as smoke from massive Canadian wildfires drifts across the state

Smoke From Canadian Wildfires Prompts a Record 23rd Air Quality Alert in Minnesota

Wildfire Smoke Returns: Air Pollution From Canada Fires Engulfs New York To Chicago

Canadian wildfire smoke causes worst-ever air quality in Twin Cities - 5 Eyewitness News

Canadian wildfire smoke causing hazy skies, poor air quality in the US

Air quality updates: 3 cities among worst; when will it recede?

New York to Get More Smoke From Canada Wildfires - The New York Times

Canadian fires will blanket Minnesota with dangerous smoke over the next two days

Canada wildfire air quality red alerts hit Midwest and East Coast : NPR

Canadian wildfire smoke is pouring into the United States again - The Washington Post

Canadian wildfire smoke smothers parts of northern US with air quality levels remaining unhealthy

Canadian wildfire smoke is drifting over the Midwest