The heat and humidity mixed with smoke resulted in a "code orange" alert for Philly and its suburban counties.

Canada is facing another dangerous wildfire season, with burning forests sending smoke plumes across the provinces and into ...

The fire has burned more than 1,000 acres and is 10% contained as of Monday, as it inches toward the popular Staircase area ...

The residents of New York City were among the more than 132 million people in the country experiencing what the National ...

Officials warned young children and those with respiratory illnesses to take precautions. For weeks, smoke from Canadian ...

While most of us will experience "moderate" air quality issues today, it could be worse for others from time to time today.

Smoke from two wildfires — one in south-central Utah, the other near the Grand Canyon — has made its way to the Wasatch Front ...

Wildfire smoke from Canada has triggered air quality alerts across New York and the Northeast, with hazy skies and unhealthy ...

Northerly winds will continue transporting waves of heavy surface smoke from wildfire across Manitoba and Saskatchewan into ...

Harvard scientists reveal how wildfire smoke, filled with toxic particles, is emerging as a growing health risk fueled by ...

The Bear Gulch and Hamma fires are both producing smoke in Mason County. Wildfire haze is expected to reach up to 50 miles ...

Wildfire smoke isn't just irritating – it's downright unhealthy. Short- and long-term exposure can cause a wide range of ...