Summary | The extreme readings of PM2.5 have surged to around
1,400 micrograms per cubic meter in Shenyang.The national
safety level is 75.| People's Daily Online | China.org.cn| CNTV
| China.| Global Times | Ecns.cn | China Youth International |
Visit Beijing | Taiwan.cnCE.cn | the Economic Daily | 2003-2015
China Economic Net. ...
en.ce.cn | 05 January 2016