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Smoke from Canadian wildfires brings unhealthy air to large swaths of the Midwest

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

Canadian wildfire smoke brings worst air quality in the world to Chicago, creating unhealthy conditions for all

The hazy skies in the Chicago area are the visible sign of the poor air quality Thursday as smoke from Canadian wildfires ...

Canadian Wildfire Smoke Makes Minneapolis And Chicago Among World’s Worst Polluted Cities

Air quality alerts have been issued across most of the Midwest, and hundreds of wildfires are burning across Canada.

Air Quality Alert extended through Sunday across Chicago area as Lollapalooza draws thousands

Most of the Chicago area remains under an Air Quality Alert this weekend due to smoke from Canadian wildfires.

Wildfire smoke sends air quality plummeting in Chicago, Minneapolis

Wildfire smoke drifting across the Great Lakes has caused air quality to plunge to hazardous levels in several states, ...

Chicago ranked No. 1 for worst air quality in the world Thursday

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

How to protect yourself from the bad air caused by wildfires

When wildfires burn, the smoke can travel long distances and degrade air quality far away, which presents risks for those ...

Minneapolis, Chicago keep smoky streak of days atop world's worst air quality readings into weekend

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