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In page Dust:

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In Iran, the dust directly affects more than 5 million people and has become a serious government issue recently. In the Khuzestan province, it has led to the severe increase of air pollution. The amount of pollutants in the air has surpassed more than 50 times the normal level several times in a year. Recently, initiatives such as Project-Dust have been established to study dust in the Middle East directly.[citation needed]