Minister of Ecology and Environment Huang Runqiu: The proportion of good air quality days nationwide last year reached the best level since monitoring began

On March 12, Huang Runqiu, Minister of Ecology and Environment, stated during the third "Ministerial Channel" of the Fourth Session of the 14th National People's Congress that the national average PM2.5 concentration dropped to 28 micrograms per cubic meter last year, with the proportion of days with good air quality reaching 89.3%, the best level since monitoring began; during the "14th Five-Year Plan" period, the national PM2.5 concentration decreased by a cumulative 20%, and the number of days with heavy pollution was reduced by 25%. The proportion of surface water with good water quality reached 91.4%, far exceeding the target set for the "14th Five-Year Plan." (Xinhua News Agency)