“@BeijingAir: 11-30-2015 20:00; PM2.5; 666.0; 609; Beyond Index (at 24-hour exposure at this level)” Airpocolypse Now
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@BeijingAir 【好吉利的数字】Thanks. Twitter will use this to make your timeline better. UndoUndo
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