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- Orange haze envelops Toronto as wildfire smoke moves into city. Live updates here. CTV News
- Do masks help? What about air conditioning? What to know about wildfire smoke protection CP24
- Wildfires in Ontario make Toronto air quality worst in world The Guardian
- ‘Very high risk’ air quality warning issued for Hamilton, Brantford and Niagara as wildfire smoke moves in CBC
- Will Canadian wildfire smoke reach DC today? Air quality map, forecast USA Today