Smoke from Canadian wildfires has carried another day of poor air quality south of the border to the American Midwest.

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Haze from Canadian wildfires is seen over Lake Michigan as a person runs along the shoreline Monday in Chicago. Wildfires ...

Smoke from the Canadian wildfires continues to bring dangerous air quality to parts of the northern U.S., with hazy and smoky ...

Over the weekend, smoke drifted toward the Upper Midwest in the U.S., impacting northwestern Wisconsin, eastern Nebraska, ...

An air quality emergency has been issued in a major US city, warning residents that any exposure could lead to serious health ...

Sky-watchers, you're in luck—the northern lights, or aurora borealis, may make another showing in June, above Alaska and the ...

With more than a hundred wildfires burning in Canada, the smoke is bringing potentially dangerous air quality conditions to parts of the northern United States.

The National Oceanic and Atmospheric Administration predicted that the northern lights, also known as the aurora borealis, may be visible near the Canadian border on June 1, with parts of Montana, ...

Smoke from raging wildfires in Canada is worsening air quality in some U.S. states. But will Greater Cincinnati be affected?