Wildfire smoke from Canada will expand across the Northeast and reach Europe this week as fires spread in the Western U.S.

This past Thursday should have been a beautiful day, a day to throw open the windows and putter in the garden, long-awaited ...

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

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.

Carlos Prates will be aiming to get back in the win column when he faces Geoff Neal in a welterweight matchup on the main ...

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.

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

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

When the smoke cleared on the Trade Deadline on Thursday, the Cubs had accomplished a few of their stated goals ahead of a ...