Guiyang, capital of Southwest China's Guizhou province, recently reported good air quality evaluation results for the month of October.
The air quality rankings of Guiyang's administrative areas were – from the top going down – the Guizhou Shuanglong Airport Economic Zone, Kaiyang county, Yunyan district, Wudang district, the Guiyang Economic and Technological Development Zone, Nanming district, Guanshanhu district, Qingzhen city, Huaxi district, Baiyun district, Xiuwen county and Xifeng county.
All areas reportedly had a 100 percent good and air quality rate in October.
The primary pollutant was PM 2.5 in Baiyun district and Xifeng county and ozone in other areas.