Toronto, New York and Washington blanketed by smoke from Canadian
Wildfire Smoke: Skies Darken as Air Alerts Are Issued Across
Photos: Smoke From Canada's Wildfires Drifts South - The Atlantic
Canadian Wildfires Cover New York City in Smoke Again
Photos: Extreme Canadian wildfire smoke shrouds parts of US - OPB
Canadian wildfire smoke seen on East Coast has made its way to Texas
Smoke drops air quality in U.S., as Canada's wildfires continue
Yankee Stadium Shrouded in Orange Haze amid Smoke From
Canada wildfire smoke disrupts U.S. flights
Intense smoke fills NYC and forces a 'code red' in Philadelphia as