Timelapse of dangerous Beijing smog rolling in

On January 2, YouTuber Chas Pope captured a noxious cloud of Beijing smog rolling toward his building.

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...

Luckily, Beijing subways have the answer: your own anti-smog rebreather!

Beijing Airpocalypse Arrival (YouTube / Chas Pope)