The smog in Shanghai is frequently awful.
But some of the images showing up on social media right now seem to be at another level.
More Shanghai airpocalypse pic today: The Bund pic.twitter.com/j8Jra3CFBl
— Offbeat China (@OffbeatChina) December 5, 2013Shanghai today..... pic.twitter.com/8cLNIopeAO
— Offbeat China (@OffbeatChina) December 5, 2013