The scale would rate a storm based on the amount of dust in the air, as well as other components, researchers say.

A stretch of Interstate 10 at the Arizona-New Mexico border has claimed more than 50 lives over the last 40 years due to dust ...

About a year ago, plumes of westward dust blown in from the Sahara Desert caused hazy skies and ...

Fungal storms in California are rising as Valley fever cases grow. Dust, wind and climate shifts spread airborne spores ...