An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

Maps show where new plumes of smoke will cause hazy skies through the end of the week. Low-level smoke is forecast to spread ...

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

Parts of Canada are seeing some of their most unhealthy air yet, and the smoke is likely to move over the United States again ...

Another wind shift arriving Wednesday morning will place southern Ontario directly downwind from the wildfires, resulting in ...

An air quality advisory is in effect until 12 a.m., Saturday, June 7, as Michigan continues to see effects of Canadian ...

A series of wildfires burning across central Canada sent smoke billowing into the U.S. over the weekend, with few signs that ...

Smoke from Canadian wildfires is beginning to worsen air quality in the eastern U.S. as several Midwestern states battle ...

Chicago air quality is at an unhealthy level for many, especially sensitive groups, as smoke from the Canadian wildfires is ...

Smoke from wildfires raging in Canada has drifted into the United States, affecting air quality as far south as Florida.

It feels like we can't catch a break in our weather in Maine. When it hasn't been raining in the last couple weeks, Canadian wildfire smoke has led to hazy, milky skies with some air quality impacts ...

We believe quality journalism should be available to everyone, paid for by those who can afford it. Smoke from wildfires still raging in Canada is degrading air quality across the northern U.S ...