Smoke from wildfires in Canada has left a thick haze over New York City and much of the U.S. East Coast. The city’s air quality was the worst in the world on Wednesday afternoon, according to tracking service IQAir.com. The view of Manhattan’s skyline from New Jersey almost disappeared behind the smoke. The smoke has triggered health concerns and officials warned people to limit activities outdoors. Many schools cancelled outdoor sports practices and recess. "This is not the day to train for a m

13K views · 293 reactions | The weather in Wisconsin was really nice today. I decided to cook lunch outdoors on my rocket stove. I gathered up some sticks and some shrimp fajitas on the Rocket stove. #rocketstove #chiassonsmoke #cookingoutdoors #wisconsin | Chiasson Smoke | Facebook

146K views · 1.6K reactions | DARING RESCUE: Watch officers break into a smoke-filled home to save an unconscious elderly man and bring him to safety. | Fox News | Facebook

21K views · 155 reactions | Wildfires burning in Canada are continuing to create poor air quality conditions in parts of the U.S., with smoke clearly visible during Tuesday night’s Yankees-White Sox game in The Bronx. https://abcn.ws/43umxtw | ABC News | Facebook

The New York skyline was clouded with smoke after a skyscraper caught fire near the 9/11 memorial #NewYork #USA #Skyline | Sky News