Space Environment Research Center, Kyushu University 
EU, EL (Realtime Ver.) 
Unit: nT 

September 2025 

 
Universal Time 

DAY       0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23 

  1       3   21   70  119  140  132  125  101   73   54   31   19    6    1    1    1   -2    1    0  -12  -18   17   23    0 
  2      13   48   37  119  199  165  178  149   79   50   47   25  999  -16  999    0    4   -1  -14   -6   -2    4  -14   -8 
  3       5   15   58  104  999  170  149  103   60   34   14   11    7    3   -5   -5    1    1  999  999  999    3    1   -2 
  4      10   34   47   93  113  121  114   81   51   28   19   11    4    0   -1    4   -6   -1    5   -2   -8    7    6    0 
  5       3   31   71  100  120  128  118   98   78  999   22    7    2    4    7    1    0   -1   -2    2   -5    8    5    5 

  6      31   71  142  153  131  134  139   63   50   39   17   14    1  -27  999  999   -1   20  -22  -25    9    6   -2   -2 
  7      15   43   71  999  999  104   99   87   70   39   23   14    2    1   -1   -1  999    1    2    4    0   -2   -1    0 
  8      19   42  128  162  185  156  127   84   48  999   -6  -12    2    3  999   -3  999   -3    3   -1    7    1    1    1 
  9      16   63   93  150  141  152  132   98   49   22   13    6    7   -2   -5   -2    2    3   -5    6    1   -1   12   -4 
 10      22   53   98  115   92  109  101   83   68   48   26    3    4   -1   -3   -5    5   -1   -1    3    3  999    0   -6 

 11       4   29   72   89  132  999  135   90   48   26   19    6    3    2    0   -8   -2   -3    7    5    3    0    0    1 
 12       7   34  999  117  145  150  145  108   68   44   18    0    1   -5    1    2    1  999  999  999  999  999  999  999 
 13     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
 14     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
 15     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 

 16     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
 17     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
 18     999  999  999  999  147  159  152  115   81  999   18   -1   -2    0   -1    6   -3   -3    1    3    0   -1   -1   -4 
 19       4   42   90  141  168  162  127   81   50   37   26   12    3   -1   -1   -3   -2   -2   -1   -1    0    1   -3   -6 
 20       4   32   93  144  164  158  134   95   65   41   28   10    3    1   -2   -4   -3   -4   -2    1    1    0   -2   -2 

 21       7   42   89  135  156  151  118   80   43   28   24   13    6    0   -1   -9   -5   -3   -2   -1   -2   -5   -2   -3 
 22      15   58   85  175  204  169  151  114   87   50   39   14   -6   -9   -1    3   -6    0  -15  -13   -2   -1    6   -5 
 23      11   54  102  134  151  186  134   93   72   47   32   16    0  -11  -13  -15  -16    1    5  -10    2    6   -1   -9 
 24      -5   29   77  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
 25     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 

 26     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
 27     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
 28     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
 29     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
 30     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999