For most of the past decade, forecasters have been able to use satellites to track these smoke plumes, but the view was only ...

The worsening air quality over such a large area across North America over the past few days – smoke from the fires even reached the French coast on June 26 – is due to the scale of the fires ...

At the time of publication, Toronto has climbed to the 18th spot on world air quality ranking lists, with Mexico City and Detroit the only North American cities above it.