Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at least the third day. Air quality alerts were in effect in Iowa, Minnesota, ...

(CNN) — Air quality is taking a hit in parts of the central and eastern United States as smoke from out-of-control wildfires in Canada pours south – but that isn’t the only thing millions of people ...

(CNN) — Massive wildfires burning out of control in western and central Canada are forcing thousands to flee as dire forecasts for the country’s fire season come to fruition. The intensifying blazes ...