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

The current rankings indicate that Detroit is more polluted than Kolkata, one of India's largest cities, and every other city ...

While the Air Quality Alert has been officially lifted, pockets of intense smoke could trigger another one on Monday or ...

Blazes burning across Canada are sending air quality plummeting in Detroit, Chicago, New York and other major U.S. cities ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at ...

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

Wildfire smoke has been easy to spot in Minnesota this week, coating the Twin Cities in a brownish haze that obscured the ...

The wildfire smoke has cleared (for now), ending Minnesota's longest air quality alert on record. State of play: Minnesotans ...

As the smoke moves out, expect highs in the upper 70s to lower 80s and light winds. Most of eastern Minnesota and western ...