The sternly worded statements and letters are filled with indignation and outrage: Republican U.S. lawmakers say Canada has ...

Be sure to download the KOAT App to receive customized weather alerts. You can watch the latest forecast on the app, too.

The health department began deploying mobile air units Thursday provided by Pennsylvania’s Department of Environmental ...

Organizations like the Breathe Project and the Group Against Smog and Pollution, in conjunction with the Allegheny County Health Department, have been closely monitoring the air quality in Clairton ...

The weekend starts gorgeous, with sunshine and low humidity on Saturday. It turns warmer, with highs in the upper 80s. A cold front brings a few showers and storms Sunday (mostly PM), with highs back ...

Wildfires are burning across the Western United States and Canada, affecting large parts of the country as smoke drifts. With ...

Because while these types of joint practices across the NFL are rife with fights and shenanigans galore - remember the ...

Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...

Chicken breast recipes are typically quick, easy and healthy. The absolute best way to make chicken? In the air fryer. Here's how to do it right.

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

While the smoke is worst along the Western Slope where the fires are burning, levels are also fluctuating on the Front Range.

Regulators are temporarily stepping up pollution monitoring in the Mon Valley after a deadly explosion at U.S. Steel’s ...