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

Elsewhere, wildfire smoke from Canada continues to blanket the Midwest, prompting alerts for millions for dangerous breathing ...

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

Air quality will deteriorate across 12 states through Saturday, mainly in the Upper Midwest, as wildfire smoke pours into the ...

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

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 ...

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

The state of Minnesota is entering another in a long string of summer days marred by air quality alerts. Poor air quality ...

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