Wildfires in Canada are causing bad air in the U.S. for hundreds of miles.
The dense smoke leads to extraordinary plays of color, but also to serious health problems. New Yorkers in particular suffer.. Area. The governor of the state of New York spoke of an "emergency crisis" and announced that she wanted to distribute one million mouth-nose masks. New York's famous boroughs of Manhattan, Brooklyn and the Bronx sank into thick smoke on Wednesday. The reason for this is that severe forest fires have been blazing for weeks in Canada.