Researchers found that wildfire smoke can raise ozone to dangerous levels, posing hidden health risks even in remote areas.

The smoke floating over the border shared between America and Canada is now impacting air quality in states as far south as ...

Heavy surface smoke from wildfires in Canada is drifting across Minnesota on Monday, with unhealthy air quality levels ...

Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have ...

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.  Air ...

Multiple wildfires burning across Colorado consumed thousands of acres on Monday, and one fire in the San Juan National ...

Air Quality will be Poor at times Today especially now until the early afternoon then some improvement in Air Quality between ...

House Republicans Elise Stefanik and Nick Langworthy questioned Canada's commitment to wildfire prevention in a letter to Prime Minister Mark Carney.

Officials said they've sent several crews to assist in controlling the massive wildfires, and they don't expect them to stop ...