0?! Never seen that before... RT @BeijingAir: 03-21-2015 17:00; PM2.5; 0.0; 0; Good"
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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“
@BeijingAir: 03-21-2015 17:00; PM2.5; 0.0; 0; Good (at 24-hour exposure at this level)” Yes! Clean air!#Oakwood_RYS15#nopollution#ecoThanks. Twitter will use this to make your timeline better. UndoUndo
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