1. Air quality alert issued for Montreal area due to wildfire smoke  CTV News
  2. Special air-quality warnings, statements across Canada from Prairies wildfire smoke  Global News
  3. Air quality advisory issued for Ottawa ahead of Ironman race  CBC
  4. Smoke from Canadian wildfires brings unhealthy air to large swaths of the Midwest  CityNews Halifax
  5. Aug. 3 weather: 30 C heat and poor air quality expected across southern Ontario  INsauga