CTV National News: Smoke from dozens of wildfires suffocates Toronto skyline

CTV National News: Smoke from dozens of wildfires suffocates Toronto skyline

Wildfire smoke leaves Toronto with some of the world's worst air quality

Wildfire smoke leaves Toronto with some of the world’s worst air quality

Here's how you can protect yourself from wildfire smoke-related health issues

Here’s how you can protect yourself from wildfire smoke-related health issues

Wildfire smoke blankets the GTA, causing poor air quality and GO Transit schedule delays

Wildfire smoke blankets the GTA, causing poor air quality and GO Transit schedule delays

Smoke from forest fires chokes Sault Ste. Marie

Smoke from forest fires chokes Sault Ste. Marie

Satellite captures thick smoke plumes over Collins First Nation

Satellite captures thick smoke plumes over Collins First Nation