@BeijingAir Lots of construction ongoing + dust, then there = the refineries & more of them coming. Smog from Huang He to Helan Shan all way
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@BeijingAir Perhaps we should have @YinchuanAir also. This used 2B known as most attractive city 4 air quality / 3 yrs later smog all aroundThanks. Twitter will use this to make your timeline better. UndoUndo
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@BeijingAir: 11-29-2013 11-30-2003 PM2.5 24hr avg; 63.0; 155; Unhealthy” good thing they didn't play the Civil War in Beijing tonight!Thanks. Twitter will use this to make your timeline better. UndoUndo
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