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By Anna Skinner
Associate News Editor
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Floridians who are sensitive to poor air quality might want to limit their outdoor activity or consider staying inside this week as a Saharan dust plume moves into the state.
Why It Matters
The influx of Saharan dust can directly impact public health and daily life in Florida, especially for those with asthma, chronic respiratory diseases, and allergies. Elevated particle concentrations can trigger breathing problems, sore throats, and eye irritation.
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The plume's presence is also expected to temporarily suppress hurricane development, which could be a mixed blessing ahead of the Atlantic storm season, which is set to begin on June 1.
What To Know
The Saharan Air Layer originates in Africa's Sahara Desert and is carried westward by powerful winds across the Atlantic Ocean, often reaching as far as the Caribbean, Florida, and the Gulf Coast. Each summer, the dust travels over 5,000 miles, typically peaking from June through mid-August.
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National guidance from the Centers for Disease Control and Prevention (CDC) and the National Weather Service (NWS) says that exposure to elevated dust levels can aggravate asthma, chronic obstructive pulmonary disease (COPD), and allergies. Eyes, nasal passages, and throats may also become irritated, and vulnerable groups—including children, the elderly, and people with heart or lung conditions—face increased risks.
The dust cloud is particularly strong in the Caribbean, where the health guidance advises limiting time outdoors, especially during highest dust concentration.
People are urged to keep windows and doors closed, use air purifiers with HEPA filters and wear masks—preferably dust or surgical masks—if time outdoors cannot be avoided.
While the dust degrades air quality, it also can suppress hurricane activity.
NWS Weather Prediction Center meteorologist David Roth told Newsweek the dust can make it more difficult for showers and thunderstorms to form. The dust also can make the sky appear whiter, Roth said.
People also should be cognizant of heat, as the dust can make it feel hotter, Roth said.
What People Are Saying
NWS Weather Prediction Center meteorologist David Roth told Newsweek: "Any particulate in the air, especially if it's above 80 degrees...will lower air quality. Usually it won't be unhealthy for the general population, but if you're sensitive to a decrease in air quality, you should stay indoors."
Wokil Bam, an assistant professor at the University of Southern Mississippi, posted on X, formerly Twitter: "Saharan dust is a fascinating natural phenomenon! Every year, strong winds lift massive amounts of dust from the Sahara Desert and carry it across the Atlantic Ocean, sometimes reaching as far as the Americas: Saharan dust is headed to Florida. It travels to the Sunshine State each summer, causing hazy skies, colorful sunsets, and lower air quality. The dry, dusty air can weaken or block hurricane formation."
What Happens Next
Roth said the Saharan dust conditions will likely persist for at least the next few days. People who are sensitive to poor air quality are encouraged to follow air quality forecasts as the dust persists across the region.
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