RT @CGShanghaiAir: 03-18-2013 21:00; PM2.5; 120.0; 182; Unhealthy (at 24-hour exposure at this level)
Mention: CGShanghaiAir
By the way, follow @CGShanghaiAir if you want to know how I’m breathing from day to day. I was right about last Thursday, btw.