On April 14, Guiyang City announced the results of the environmental air quality assessment of the districts (cities, counties) in March, and ranked first in Kaiyang County.
The results of the assessment show that in March 2022, the environmental air quality assessment rankings of various districts (cities, counties) in Guiyang City were from high to low: Kaiyang County, Guanshan Lake District, Nanming District, Wudang District, Xiuwen County, Shuanglong Airport Economic economy District, Qingzhen City, Huaxi District, Yunyan District, Economic Development Zone, Baiyun District, and Xixian County.
According to the "Environmental Air Quality Standards" (GB3095-2012), in March, the proportion of the number of days (cities, counties) in each district (city, county) was between%and 100%. The environmental air quality integrated index is in between. The air quality status of the National Control site shows that the proportion of excellent environmental air quality in Guiyang in March was 100%, a year -on -year increase of percentage points; the number of light pollution days was 0 days, a year -on -year decrease of 2 days. The average monthly concentration of sulfur dioxide is 7 micrograms/cubic meter, a decrease of%year -on -year; the average concentration of nitric oxide per month is 18 micrograms/cubic meter, a year -on -year decrease of%; the average monthly concentration of inhalation particles is 47 micrograms/cubic meter, a year -on -year decrease of%; carbon monoxide; carbon monoxide; The average daily concentration does not exceed the standard, which is the same year -on -year; the average concentration of the maximum 8 hours of ozone is not exceeding the standard, which is flat year -on -year; the average monthly concentration of fine particles is 29 micrograms/cubic meter, a year -on -year decrease of%. (Reporter Zhang Chen).