World dust forecast

Mineral dust lifted from deserts, shown near the surface in micrograms per cubic metre. Look for plumes leaving the Sahara and the Gobi, and press play to watch them move over the next two days.

© OpenStreetMap contributors · NASA · GEBCO · Natural Earth · GeoNames · NOAA GFS · GEFS-Aerosols

GlobeLayers — live 3D weather globe

GlobeLayers is a live 3D weather globe. Spin it, zoom in, and read today's weather anywhere on Earth, straight from open forecast data.

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Weather layers come from the NOAA GFS model at 0.25° resolution; air quality comes from NOAA GEFS-Aerosols. Four times a day, each new model run brings a 48-hour forecast in 3-hour steps, and the globe blends smoothly between steps. The banner shows the model run; the timeline shows the time you are looking at.

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NOAA GFS and GEFS-Aerosols (public domain) · NASA Blue Marble · GEBCO bathymetry and relief · © OpenStreetMap contributors · Natural Earth · GeoNames (CC BY 4.0).

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World dust forecast

Strong winds over bare, dry ground lift fine mineral particles into the air. This layer shows that dust near the surface in micrograms per cubic metre, forecast by the NOAA GEFS-Aerosols model on a global grid.

The biggest source on Earth is the Sahara, followed by the Arabian Peninsula, central Asia and the Gobi. Dust from these regions can travel thousands of kilometres. Saharan plumes cross the Atlantic towards the Caribbean and South America, while Asian dust can reach the Pacific.

Dust matters for several reasons. It reduces visibility, it can trigger breathing problems, it settles on snow and darkens it, and it delivers minerals to distant oceans and forests. A strong event shows up on the map as a broad, dense tongue extending from the source.

Compare this map with the animated wind to see what drives each outbreak. The forecast is refreshed four times a day and covers 48 hours in 3-hour steps, so the plume moves smoothly when you press play.

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