1. Toronto air quality among the worst in the world as Environment Canada issues special alert  CTV News
  2. Smoke From Canadian Wildfires Wafts Over New York City  The New York Times
  3. NYC air quality plummets as Canadian wildfire smoke invades US — and more bad air is on the way  New York Post
  4. Forecasting another cool day in Siouxland, but areas of smoke could impact your day  KTIV
  5. Hazy Shade of Summer: Air Quality Hits Unhealthy Levels  Saratoga TODAY newspaper