Smoke from ongoing Canadian wildfires has led to some of the worst air quality in the world across parts of the U.S.

Minneapolis had the fifth worst air quality among 125 cities worldwide on Saturday morning, according to an international air ...

The state of Minnesota is entering another in a long string of summer days marred by air quality alerts. Poor air quality ...

An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

Air quality warnings covering the whole state are expected to remain in place through Saturday due to Canadian wildfire smoke ...

Minneapolis faced hazardous air quality, ranking second-worst globally due to Canadian wildfire smoke. Air quality alerts ...

Minneapolis is under an air quality alert due to wildfire smoke, with a forecast of smoke-filled skies and upcoming clear ...

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

When combined with the Philly area’s warm, sunny weather, the incoming smoke stands to increase levels of ozone, the ...

Minneapolis had the fifth worst air quality among 125 cites worldwide on Saturday morning, according to an international air ...