"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at ...

Smoke from the more than 700 wildfires burning in Canada is continuing to blanket parts of the Midwest for a final day.

Smoke has continued to cloud Illinois' air for a second straight day, but the poor air quality isn't because of a fire in the ...

Smoke from Canada wildfires creates a haze in the sky as Chicago Cubs shortstop Dansby Swanson (7) and first baseman Cody Bellinger (24) head out to the field in the ninth inning of a game against ...

Smoke from Canadian wildfires continues to choke the skies over the Upper Midwest this weekend, with the milky haze even ...

Chicago will see cooler, clearer weather through the weekend, with mild temperatures and some lingering wildfire smoke.

Chicago had the worst air quality in the world for a few hours Thursday, thanks to smoke from Canadian wildfires.