“@BeijingAir: 03-16-2015 18:00; PM2.5; 305.0; 355; Hazardous (at 24-hour exposure at this level)” > 



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Thanks. Twitter will use this to make your timeline better. UndoUndo
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@BeijingAir
都没用啦!(⌇ຶД⌇ຶ)Thanks. Twitter will use this to make your timeline better. UndoUndo
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