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.

Smoke from Canadian wildfires has triggered air quality alerts across several US states, including Vermont, New York, ...

Hazy skies from wildfire smoke from Canada, which may become more concentrated with visibility potentially dropping to 3-5 ...

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.

Minneapolis faced hazardous air quality, ranking second-worst globally due to Canadian wildfire smoke. Air quality alerts ...

Headliners for Lollapalooza Day 3 are more of a trio, with Rüfüs Du Sol closing the day on the T-Mobile stage, K-pop girl ...

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

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

S moke from Canadian wildfires has sent a blanket of smoke over the midwestern United States this weekend. The National ...