Saharan Dust Plume: Africa to Florida – Earth Observation
Saharan Dust Cloud Reaches US, Impacting Air Quality
Updated May 28, 2025
A significant cloud of Saharan dust, a primary_keyword, traveled over 4,000 miles across the Atlantic Ocean, reaching the shores of the United States. the dust plume, originating off the coast of West Africa, impacted air quality in Florida and other Gulf Coast states in early June.
The National Oceanic and Atmospheric Administration (NOAA) reported that the dust cloud began its journey around May 28. Roughly a week later, on June 4, the Saharan dust made landfall in Florida, with effects felt as far west as Louisiana and Texas. The Caribbean, including Puerto Rico and the Bahamas, also experienced the dusty conditions.
Captured by the GOES-19 satellite,co-managed by NASA and NOAA,the comma-shaped cloud initially spanned approximately 240,000 square miles. The Cooperative Institute for Research in the Atmosphere (CIRA) at Colorado State University described it as a ”notably robust” plume.
The dust cloud,a secondary_keyword_1,led to hazy skies and a temporary reduction in air quality in Florida.Residents noticed dust settling on windows and cars. NOAA noted that saharan dust can cause vivid sunrises and sunsets due to the scattering of sunlight. In some instances, thick dust layers can even suppress thunderstorm growth.
Saharan dust plumes, a secondary_keyword_2, are common, especially between late spring and early fall. The dust is lifted by strong winds and forms the Saharan Air Layer, a dry air mass about 1 mile above the desert. Every few days, accumulated dust blows westward, sometimes forming large plumes.
The Met Office in the U.K. notes that these dust clouds can reach several miles above the Earth’s surface.
The ”Godzilla” plume of June 2020 was a notable event, with dust levels reaching a record high since satellite monitoring began, according to a 2021 study.
What’s next
Scientists continue to monitor these Saharan dust events, studying their impact on weather patterns, air quality, and even ocean ecosystems. Further research will help better predict and understand the effects of these trans-Atlantic dust plumes.