Summary | The reading at the US embassy in Beijing reached
250mcg at 10am.The World Health Organisation re mends exposure
to PM2.5 particulates should not exceed 25mcg a day.That the
figure had to e down another 30 to 50 per cent, he said.Share
PrintEmail to a friend To forward this article using your
default email client (e.g.Outlook), click here.superdx Nov 30th ...
250mcg at 10am.The World Health Organisation re mends exposure
to PM2.5 particulates should not exceed 25mcg a day.That the
figure had to e down another 30 to 50 per cent, he said.Share
PrintEmail to a friend To forward this article using your
default email client (e.g.Outlook), click here.superdx Nov 30th ...
scmp.com | 07 December 2015