|       污染物  |           广州  |           深圳  |           珠海  |           佛山  |           江门  |           肇庆  |           惠州  |           东莞  |           中山  |    
|       PM10  |           
  |           
  |           
  |           −0.786  |           
  |           
  |           
  |           −0.786  |           −0.786  |    
|       SO2  |           −1.000  |           −0.258  |           −0.970  |           
  |           −0.762  |           −0.929  |           −0.738  |           −0.762  |           −0.922  |    
|       NO2  |           
  |           −0.632  |           
  |           
  |           
  |           
  |           
  |           
  |           
  |