High school coaches and administrators across Minnesota have been asked to be aware of air-quality levels as athletes return ...

Wildfire smoke wafting in from the Bear Gulch fire in Olympic National Park is to blame for the thin veil of haze that ...

Dhaka, the overcrowded capital city of Bangladesh, has ranked 22nd on the list of cities with the worst air quality with an ...

The Mount Underwood wildfire south of Port Alberni has resulted in a 'high risk' air quality index status for Nanaimo, as ...

Skies will stay hazy but the air quality index is expected to stay in the moderate range, however areas on the Palouse could see worse air quality.

A haze of smoke hung over the greater Kelowna area Wednesday, blurring the skyline and offering up the telltale scent of ...

If you live in the Houston area, you might have noticed that air quality alerts are issued throughout the year by the U.S.

Despite thick smoke in the sky today in southern Colorado, air quality alerts haven't been issued - instead they've been in the western slope. In fact - sometimes invisible compounds pose more risk.

Visibility in the Denver metro was limited on Wednesday, and many people could smell smoke from the wildfires burning in the ...

Smoke was heavy in the air around Coeur d'Alene Wednesday, but rather than blowing from a nearby fire, the National Weather ...

As the end of summer draws near, fall allergy season approaches, and in the St. Louis region ragweed and mold lead the charge ...