North American wildfires and air quality alerts in maps and images
Satellite images and before and after pictures show how smoke has shrouded the east coast of Canada and the US.
1970-01-01 08:00
Canada wildfires: Tens of millions under air quality warnings as fires burn
Air quality advisories have been issued in Canada and the northern US as wildfire smoke travels south.
1970-01-01 08:00
Canada could see its worst wildfire season on record
There have been an "unprecedented" number of fires so far, burning an area about the size of Belgium.
1970-01-01 08:00