Chinese pollution is unprecedented!
“@BeijingAir: 02-26-2014 15:00; PM2.5; 502.0; 501; Beyond Index (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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“
@BeijingAir: 02-26-2014 15:00; PM2.5; 502.0; 501; Beyond Index (at 24-hour exposure at this level)”Thanks. Twitter will use this to make your timeline better. UndoUndo
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