The sun is shrouded as it sets behind Hudson Yards as smoke from forest fires in Alberta, Canada drifts into the northeast US seen from the Empire State Building on May 9, 2023, in New York City.

Of the active fires, 74 are in Canada’s westernmost province, British Columbia, which is above the U.S. states of Washington and Montana. The western province of Alberta has the second-highest ...

Wildfires are burning in the US Pacific Northwest and in western Canada. The 11,000 km sq (4,200 sq mi) Jasper National Park in Alberta and the nearby local municipality are under evacuation ...