This is kind of scary and devistating. Chas Pope uploaded this video of a smog wave hitting the city of Beijing, showing, that such high emissions aren’t really a funny thing (and can get really dangerous). Over 800,000 people saw this clip since it was uploaded a couple days ago.

“I made this earlier today – a bank of AQI400+ smog arriving in Beijing within the space of 20 minutes. It’s already gone viral on the Chinese internet, let’s see what happens internationally…”

via: kottke