@BeijingAir following
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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看看北京天气。 RT
@BeijingAir :01-14-2013 16:00; PM2.5; 267.0; 317; Hazardous (at 24-hour exposure at this level)Thanks. Twitter will use this to make your timeline better. UndoUndo
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