A vast plume of Saharan dust is making its way across the Atlantic and is expected to arrive in Florida’s skies this week, bringing with it a wave of hazy sunsets—and potential health concerns.

This natural phenomenon, known as the Saharan Air Layer (SAL), occurs when strong winds lift dry, dusty air from the Sahara Desert and carry it across the ocean. While this is a common summer occurrence, the latest plume is unusually large, and experts warn that it could temporarily impact air quality across much of the Sunshine State.

According to the National Weather Service, residents in South and Central Florida may begin noticing a milky haze and reduced visibility. While the dust can enhance sunrise and sunset colors, it can also cause breathing issues, particularly for people with asthma, allergies, or chronic respiratory conditions.

“The Saharan dust contains fine particulate matter that can irritate the lungs,” said a spokesperson from the Florida Department of Health. “People with underlying health issues, seniors, and young children should minimize prolonged outdoor exposure while the plume is overhead.”

Is the Saharan dust dangerous?

For most healthy individuals, the dust is not considered dangerous, but it may cause symptoms such as coughing, throat irritation, watery eyes, and mild shortness of breath. Those with preexisting lung conditions should be especially cautious.

Local officials are also monitoring air quality levels closely. In areas where the dust concentration peaks, Air Quality Index (AQI) levels could temporarily dip into the “unhealthy for sensitive groups” category.

How to protect yourself:

• Limit time outdoors, especially during peak afternoon hours.
• Use N95 masks or other high-filtration masks if you must be outside for extended periods.
• Run air purifiers indoors and keep windows closed to reduce indoor exposure.
• Stay hydrated and monitor symptoms if you have a respiratory condition.
• Follow updates from local weather and health departments.

The silver lining to the dusty skies? The Saharan Air Layer often suppresses hurricane activity, as the dry air and wind shear make it harder for tropical systems to develop. So while it may be a nuisance for sensitive groups, it could offer a temporary break from early-season storm threats.

As the plume continues to drift westward, Floridians are encouraged to stay informed and make temporary lifestyle adjustments to reduce exposure. The dust event is expected to linger through the weekend before conditions gradually improve.