“@BeijingAir: 03-26-2013 19:00; PM2.5; 220.0; 270; Very Unhealthy (at 24-hour exposure at this level)”/ van 3 meses de contaminación
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@BeijingAir 怎么感觉有超过600呢??Thanks. Twitter will use this to make your timeline better. UndoUndo
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