Wildfires in Western Canada Created Air Pollution Spikes as Far Away as New York City

Eco Watch

Fires around Ft. MacMurray, Alberta, Canada in 2016.
Satellite photo by NASA Earth Observatory.

New York City isn't known for having the cleanest air, but researchers traced recent air pollution spikes there to two surprising sources — fires hundreds of miles away in Canada and the southeastern U.S. Story here.