A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

If outdoor travel is unavoidable, a well-constructed, well-fitting and properly worn respirator-type mask (such as a ...

Sensitive groups are being advised to make outdoor activities shorter and less intense. Take more breaks. Watch for symptoms ...

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

The National Weather Service website ... “consider wearing a high-quality mask that will help filter some of the smoke” when outside. Erwin said the unhealthy air quality could continue ...