[P.O.E.]

Beijing Air Pollution: Real-time Air Quality Index (AQI)

Overall rating: 127 = Unhealthy. Some spots up to 160.

[P.O.E.]

Chengdu up to 296.

For contrast, NYC is at 31

http://aqicn.org/city/usa/newyork/

[TigerLikesRooster]

A few days ago, it was over 500.