With Canadian wildfire smoke still lingering in the region, an air quality alert remains in effect for all of iowa until ...

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 ...

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