According to IQAir, New York is currently the world's most polluted city, with an "unhealthy" rating of 184.
© AFP / Scott Heins
New York City has resumed its place atop a list of the world’s most polluted cities, beating out runners-up in Vietnam and India with an “unhealthy” rating of 184, IQAir reported on Thursday.
Hundreds of massive wildfires raging across several Canadian provinces have burned for nearly a week, filling the air across the eastern US with a choking orange-brown ...