“@BeijingAir: 10-04-2013 21:00; PM2.5; 357.0; 405; Hazardous” > not a coincidence that it returns to hazardous after national day break ends
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@BeijingAir Hazardous,I got a new word.Thanks. Twitter will use this to make your timeline better. UndoUndo
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