More than half Chinese cities plagued by air pollution

[ahlam1399]

Of the 338 cities monitored by the ministry, 7.1 per cent, including Shijiazhuang the capital city of Hebei Province, which neighbours Beijing, reported serious air pollution, with air quality index (AQI) readings exceeding 300 as of Wednesday.

أكثر... ( http://zeenews.india.com/environment/more-than-half-chinese-cities-plagued-by-air-pollution_1970481.html )