New data published by Energy Desk (Greenpeace) has ranked Chinese cities according to the number of days of emergency level bad air pollution. These are days when the air quality are classed as 'very unhealthy' or 'hazardous'.
Key points are:
- 46 cities (out of 75) in the survey suffered more emergency level bad air days in 2013 than Lanzhou.
- Lanzhou suffered just 13 days of emergency level bad air pollution in 2013.
- In 2013, Lanzhou suffered fewer bad air pollution days than:
- Beijing (60 days)
- Xi'an (56 days)
- Harbin (50 days)
- Chengdu (46 days)
- Shanghai (21 days)
- Qingdao (20 days)
- Hangzhou (19 days)
See article in The Guardian (12 March 2014).