High concentrations of Saharan dust affect Puerto Rico and U.S. Virgin Islands, moving west toward Florida and Texas

High concentrations of Saharan dust are affecting Puerto Rico and the U.S. Virgin Islands on June 26, 2026, reducing visibility and air quality as the Saharan Air Layer (SAL) moves west. Drier Saharan air is forecast to reach South Florida from late Saturday, June 27, followed by a dust plume over Southeast Texas late Sunday, June 28, where hazy skies and reduced air quality are possible. Source