2021  1  7                 85.2%     1.9                          68.1%     42.0     12                 99.5%    96.7%     94.3%    92.0%    88.7%   83.5%    83.0%    79.2%    78.8%    77.8%    76.9%   71.7%  

        PM2.5   24  /       20.0%   12   PM2.5           10  /       17  /      21  /      22  /      22  /      25  /      25  /      26  /      26  /     28  /      30  /      30  /    

                  12                                                   