帝都空气已经是poison级别了吧 RT @BeijingAir 12-13-2012 15:00; PM2.5; 204.0; 254; Very Unhealthy (at 24-hour exposure at this level)
12-13-2012 15:00; PM2.5; 204.0; 254; Very Unhealthy (at 24-hour exposure at this level)
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.