A major dust storm occurred in April over parts of China and
Mongolia. Dust was transported all the way to the coast of the
United States. Although dust from the Sahara desert routinely
is transported across the Atlantic to the east coast of the US,
asian dust does not make it across the Pacific to the west coast
too often. This animation shows the TOMS aerosol index for this
region. Also seen at the end of April is smoke from large Mexican
brush fires.
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