Summary | The national safety level for PM2.5 is 75 micrograms
per cubic meter.The reading was as high as 1,400 at some
monitoring in Shenyang.The city government upgraded its
emergency response level to the highest tier on Sunday
afternoon.The Shenyang environmental watchdog said coal
consumption has soared to provide heating since Nov 1.| ...
per cubic meter.The reading was as high as 1,400 at some
monitoring in Shenyang.The city government upgraded its
emergency response level to the highest tier on Sunday
afternoon.The Shenyang environmental watchdog said coal
consumption has soared to provide heating since Nov 1.| ...
en.ce.cn | 14 November 2015