The festival kicked off Thursday, when Chicago had the worst air quality in the world for a few hours. But haze didn't choke ...

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.

The heat returns Wednesday with highs in the upper 80s to near 90 degrees. Skies are expected to be mostly sunny to partly ...

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.

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

The Great Plains could also see possible flooding from severe storms on Sunday. A flash flooding risk of a level 2 out of 4 ...

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

The good weather news for Sunday in Chicagoland is that we'll see plenty of sunshine and low humidity again, with inland ...

Hazy skies from wildfire smoke from Canada, which may become more concentrated with visibility potentially dropping to 3-5 miles at times, and air quality dropping to the unhealthy category.

The Chicago area has experienced several days of pleasant temperatures, but the mercury will be trending upward again in ...

The National Weather Service has opted to extend an air quality alert in the Chicago area for another day.

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