Although air quality in the Grand Valley has been risky recently for some people, Mesa County doesn't appear to be in any immediate danger of falling out of compliance with the U.S. Environmental ...

An inversion above Utah Valley increases the number of pollutants in the air. Large storm systems can push the polluted air out of the valley. (Photo courtesy of Chris Bunker) Each winter, Utahns ...

Have you ever walked outside in Pueblo on a cold morning and seen the haze in the sky? Or watched our morning forecasts and seen Woodland Park is warmer than Pueblo? It’s very common at this time of ...

AIR STAGNATION ADVISORY is in effect until 5 PM Wednesday for the Kootenai/Cabinet Region, Lower Clark Fork Region, Missoula/Bitterroot Valleys, Bitterroot/Sapphire Mountains and Potomac/Seeley Lake ...

Under the direction of Dr. Nora Traviss and Dr. Chris Brehme, and with assistance from KSC grad JC Woodward, KSC students are conducting environmental health research on the effects of air inversions ...

With a stagnant weather pattern in place, inversions will continue across Northern Utah & SW Wyomng. Cold air trapped in valleys by a layer of warmer air above will allow pollution to continue to ...

Add Yahoo as a preferred source to see more of our stories on Google. Smog blankets the Salt Lake valley during an inversion on Monday. Inversion conditions are expected across the Wasatch Front, ...

Most people know that unhealthy air quality can make it harder to breathe. But bad air—especially during inversions—can also irritate your eyes. “During an inversion, I recommend staying indoors as ...

On clear, calm nights the ground cools the air near it, but it has little effect on the air higher up. By dawn, it's not unusual to have the air near the ground colder than the air a few hundred feet ...