Wildfires in Canada send smoke drifting across the US. The forecast, how Ohio is affected

Smoke from wildfires in Canada is making it harder to breathe in Ohio and several other states. Here's how long it will last and what else we know.

Maps Show Where Smoke From Georgia Wildfires Is Spreading North

The smoke could reach as far as Pennsylvania and Ohio on Friday. Here’s how to track its path and its effect on air quality.