Satellite image of Yellow dust.
Yellow dust warning is high today...
Yellow dust -- fine sand from northern China and Mongolia's Gobi Desert -- sometimes includes industrial pollutants emitted by Chinese factories and can cause respiratory disorders. The temperature there is also two to six degrees Centigrade higher than usual, adding momentum to the dust storms which usually strike South Korea and Japan between March and early May and cause health problems.
Forecasters say the annual dust storms will be particularly bad this spring because north China and the deserts of Mongolia, where they originate, suffered the worst drought in 50 years.
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