National Weather Service officials issued an air quality alert set to expire at midnight Saturday for the Chicago and ...

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the Midwest and worsening air quality, ...

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

While the haze slightly lifted Saturday morning, air quality levels are expected to worsen across the Chicago area over the ...

Blazes across several Canadian provinces and territories pose health risks to Canadians and their southern neighbours.

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

Smoke from Canadian wildfires have continued to drift over the Midwest, blanketing the region with haze and poor air quality, prompting the National Weather Service (NWS) and local departments to ...

Saturday offers generous sunshine mixed with puffy fair weather clouds, comfortable temperatures and low humidity. An Air ...

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