As wildfires ravage Los Angeles, experts answer key questions about how wildfire smoke affects health and how to protect yourself.

Smoke from wildfires can travel thousands of miles and affect the quality of the air, making it particularly dangerous for the very young and elderly, as well as people with medical conditions ...

In total, 51 evacuation orders affecting more than 4,100 ... Smoke from fires reduced air quality through the United States and Canada, reaching as far as Mexico and Europe. For decades ...

Here’s how wildfires can affect the health of those close ... Last year, poor air quality from wildfire smoke in Canada spread all the way to New York and many states in northeastern America ...

Canada will deploy assets of the Royal Canadian Air Force to help fight the wildfires in and around Los Angeles, Defence Minister Bill Blair said in a statement Friday. “I have approved a ...