Wildfire Smoke: Skies Darken as Air Alerts Are Issued Across Northern U.S. - The New York Times
Wildfires Rage In Canada, Turning U.S. Skies Orange - Air Quality Stocks See Modest Gains
NYC air quality slightly worse on Sunday as smoke from Canadian wildfires returns
New York residents urged to stay indoors as unhealthy air quality from Canadian wildfires persists, News
Woman Shares Reality Inside NYC Flat As Smoke From Wildfires Blankets City
N.Y.C. Recorded World's Worst Air Pollution Due to Canada Wildfires
NYC air quality reaches hazardous levels due to Canadian wildfires: residents told to stay indoors
Canadian wildfires drive smoke into U.S., with no letup expected soon
23) Landmarks in NYC blanketed by haze
Canada fires: Millions breathing hazardous air as smoke spreads south into US