 
 
 
 

 
 
             
  
2020/12/7
    11  30    2018—2019                                                                                                                                                                   7116                                              100%            100%                                    628.2     438        654         2000     268            7% 23.9 %    4                                                             2017                                                                                                                                                                                                                   93%     PM2.5   22ug/m3                                                                                                                                                                            
  
             
 
 
  
  
      2020  11   
              
      2020  10   
                
          
2014-2015 ©                      蒙ICP备05070829号