Saharan dust causes poor visibility and air quality for people in Puerto Rico. An early warning system developed by @nasa’s Applied Sciences Program gives residents 3 days’ notice of a dust storm. http://go.nasa.gov/42xPYL2
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Tracking Saharan Dust to Safeguard Public Health | NASA Applied Sciences
Formed from winds blowing loose sand, dirt, and debris, Saharan dust travels across the Atlantic Ocean and large quantities can result in poor air quality ango.nasa.gov
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