Saharan dust plume to linger over South Florida this weekend, forecasters say

Milena Malaver, Miami Herald on Jul 26, 2025

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MIAMI — A plume of Saharan dust is blanketing South Florida this weekend, resulting in hazy skies, diminished air quality and lower-than-normal chances for rain, according to the National Weather Service in Miami.

The dusty air, originating from the Saharan Desert in Africa, is a regular seasonal occurrence that travels thousands of miles across the tropical Atlantic, impacting areas across the Caribbean and the southeastern U.S.

The dust tends to remain suspended in the atmosphere between 4,000 and 15,000 feet, often preventing the development of thunderstorms and tropical systems due to the drier air it brings along, explained Sammy Hadi, a meteorologist with NWS Miami.

Air quality has also been impacted, though not to alarming levels. The primary concern is the increased particulate matter within the air, which can aggravate respiratory issues in sensitive individuals, according to Hadi.

“People who are specifically sensitive to the dust can have worsened allergies, and it can be harder for them to breathe,” Hadi said.

This particular plume is expected to remain over the region through the rest of the weekend, with a slight decrease in concentration starting Monday.

Hadi said this plume is coming “right in the middle of when it’s normal” for Saharan dust to impact South Florida.

The season for Saharan dust typically runs from late June through mid-August.

For those who may be sensitive to the dust, it is recommended that you take precautions by limiting outdoor activities and keeping allergy medication on hand.