The dense smoke from Canadian wildfires has pushed air quality to dangerous levels in the past few days. Judson Jones and Zeke Minaya Smoke from wildfires scorching eastern Canada dirtied the air in new parts of the United States on Friday morning,

One climatologist said "a perfect storm" of climate extremes primed the western U.S. for one of its worst fire seasons in a decade. Meanwhile, Canadian wildfire smoke fills the air.

NEW YORK CITY - Canadian wildfire smoke is sticking around for Friday in New York City, with health officials urging New Yorkers to limit strenuous and prolonged outdoor activitie

The president said on Friday in a social media post that Canada was failing to manage its wildfire response as smoke has blanketed U.S. cities including New York and Chicago.

WASHINGTON, D.C. - U.S. Sen. Bernie Moreno on Friday released text of legislation that would sanction Canadian government officials, block their assets and revoke their visas over wildfire smoke that has repeatedly fouled the air in Ohio and across the United States.

Millions of people in the Great Lakes, Northeast and Mid-Atlantic states muddled through another day of unhealthy air from uncontrolled wildfires on Friday. The thick smoke enveloped the nation’s capital in a gloomy,

Rep. Lisa McClain slammed Canada over wildfire smoke entering the United States from across the border.

Canadian leader Mark Carney says both countries have a responsibility to fight climate change.