Intense wildfires in western Canada have sent huge plumes of smoke sweeping across North America in recent days — pollution ...

While much of the smoke in North America is from Canada, fires in the Pacific Northwest and California are also contributing. Parts of eastern Oregon reached Code Purple levels for very unhealthy ...

A video shows vehicles engulfed in smoke after a deadly crash in Canada. At least 15 people are ... by residents along the west coast of North America. A rare and compelling drainage feature ...