SAN JUAN, Puerto Rico — A massive cloud of dust from the Sahara Desert blanketed most of the Caribbean on Monday in the biggest event of its kind this year as it heads toward the United States.

According to the CDC, Saharan dust transported to the United States is a normal occurrence, especially from late June to mid-August. Air quality index map: See current conditions ...

As dust hits the U.S. this week, air quality is also being impacted in some states by wildfire smoke from Canada, where more than 100 fires were burning "out of control" on Tuesday, according to ...

Sahara dust, a mass cloud of fine particulate matter, hit the U.S. on Wednesday, affecting Florida. Here's what that means and what you need to know about health impacts.

FPREN | By Irene Sans The first large plume of Saharan dust is set to arrive in Florida. These tiny particles travel thousands of miles through the Saharan Air Layer (SAL), which is located between ...

A massive cloud of dust from the Sahara Desert blanketed most of the Caribbean on Monday in the biggest event of its kind this year as it heads toward the United States. The cloud extended some ...