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

October 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     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
  2     999  999   75  122  148   61    8   65   47   36   18    1  -10  -15   -5    6    2    2   -8    3   17   13    4   -6 
  3      23   54  103  152  120  148   98   74   82    2   18   10    5    2   -6   -1    2   11   -6   17    0   -6    0   -2 
  4       6   38   83  136  152  162  113   84   41   35   13    4    7  -23  -21   -6    7    8   -7    0    9    2   -3  -11 
  5       8   46   87  178  214  192  149   84   47   25   13    7    5    4   -5   -5    1    4    0    1    4    1    1   -3 

  6      -1   41  108  172  194  179  136  101   66   34   21   11    6    8    0   -2   -8   -5    2    8    2    0    4   -2 
  7       4   42   76  167  157  179  147   89   49   27   25    9   -5  999   -4    4   -4    2  999    3   10    3    1   -2 
  8      13   42   87  123  147  137  136   85   59   42   26    4   -3   -3   -1   -3    0   -5   -5    5    5    4    2    0 
  9       3   37   83  117  153  157  151  127   90   69   38   15    6  999    3    0  999    0    0    5    3    0   -3    0 
 10       8   35  102  158  223  999  182  127   60  999   14   15    5  999    1    0   -2    1    7    5    1   -3    3    0 

 11      19   52  119  178  218  210  177  108   52   20   26   18   15   -2  -13  -16    2    0   -1    0   10    2    8    5 
 12       6   47  106  145  138  202  142   88   65   37   29    8  -19    3    6  -15    4   -5   11   -1   -6    3    5    4 
 13      -2   15   72   79  100  125  105   70   44   32   19    1    6   -3   -3   -4   -4    8   -2    1    6    5    4    1 
 14       1   23   60  111  149  162  145  107   61   36   28   14    3    5    2   -3   -7    0    2    2    2    2    1    0 
 15       6   13  999   99  149  148  115   93   65   27   15  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  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
 19     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
 20     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 

 21     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
 22     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
 23     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
 24     999  999  999  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   88  121  120   92   67   59   43   25    9    8    4    4   15    9    8    3    3   -1   11    7   -4 
 28      11   35   81  104  134  102  112   48   49   45   28   14    6  -10    5    5   -7    1    7   11  -10    5   17    3 
 29      -5   44   95  141  165  137  123   64   51   37   21    1   10   -1    5    9    8  -22  -20   -7   -2   19   11    0 
 30      -1  999   87  109  123  116  103   62   26   -8  -28    9  999  -21  -11  -14   11   -4    2    8    7    5    1   10 

 31      11   41   62  103  115   75   69   82   53   34   -9  -13   14   -8  999    9   17   -6    4    3    6   11    5    3