As wildfires blaze in California, many are evacuating while firefighters work to extinguish the flames. Residents in and ...

Major air pollutants have declined in recent decades, but USA TODAY’s analysis shows wildfire smoke is taking their place.

If you smell smoke in the air, you're not alone. Here's how New Year's Eve festivities can impact air quality.

Friday's temperatures were expected to hit highs not seen in more than three decades on that date, according to the National ...

With just patches of snow on the San Francisco Peaks, the only snow in the forecast is thanks to snowmaking machines on the ski slopes. Phoenix is also experiencing one of its longest dry spells on ...