Guiyang's September air quality assessment released

english.guiyang.gov.cn|Updated: 2022-10-20

Guiyang experienced good ambient air quality every day of September.

On Oct 13, the September ambient air quality assessment results for all districts and counties in Guiyang were released, with the Guiyang Economic and Technological Development Zone ranking first.

The assessment ranking was as follows: the Guiyang Economic and Technological Development Zone, Xiuwen county, Wudang district, Baiyun district, Yunyan district, Nanming district, Huaxi district, Qingzhen city, Guanshanhu district, Xifeng county, Kaiyang county and the Guiyang Hi-Tech Industrial Development Zone.

According to the assessment of the Ambient Air Quality Standard, the proportion of days in September reaching the standard in each district and county ranged from 90 percent to 100 percent, the primary pollutant was ozone, and the comprehensive index of ambient air quality ranged from 2.29 to 2.86.