The Ministry of Ecology and Environment recently announced the national ambient air quality for cities from January to March this year.
The city of Guiyang recently shut down 60 companies that were generating unacceptable levels of pollution.
Guiyang recently announced the results of the environmental air quality assessment for each district, county level city and county under its jurisdiction in March, and Kaiyang county ranked first.
The proportion of days with good ambient air quality in Guiyang was 100 percent in January, according to the Ministry of Ecology and Environment, which announced the findings for national ambient air quality recently.
The 13th edition of the Ecological Civilization Theme Lecture Hall was hosted by the Guiyang bureau of ecology and environment on March 26.
The Ministry of Ecology and Environment on March 28 released findings on the national ambient air quality for the month of February and the period of January to February.