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

April 2026 

 
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      53  110  146  156  164  125   96   70   47   25    5   -1   -1    6   -2   -6   -1    1   -3    0    2    6   -7    2 
  2      72   76  147  115  999  999  999   66  999  999  999  -29  -31  999    5  -11   -9   -4   31    5   21    6   -2   19 
  3     999  999  146  999  999   99  999  999  999   -9  -23  999  999  999  999  -13   30   23   13    8    3    3   -2   20 
  4     999  999  999  999  106   55  999  999  999  999  999  999   -2  999   -3   -4   -3   -5   -8   -4    1   -7   -6   18 
  5     999  999  999  999  124  118  999  999  999    7    5  999  999  999  999  -11    4   -5    0    0   -3   -4   -3   21 

  6     999  999  999  999  118  999   77  999  999    1  999  999  999  999   -3   -8   -7   -3    2   -4   -3   -2  -11   -7 
  7      29   78  113  144  165  129   91   68   38   17    5    1    0   -3   -3   -4  -16    3    0   -2   -3   -3   -4    4 
  8      29   80  134  151  142  118   89   53   28   17    6   -6   -4   -6   -6  -10   -2    2  999  999  999  999  999  999 
  9      25   81  115  127  123  101   77   37   18    4    0   -2    2   -2    9    0   -5   -6   -3    4    5    6    0   16 
 10      49  110  107  122  132  104   82   51   18   15   -2    4    5    0    5  -12   -2   -3    1    7    0   -4   -3   16 

 11      54  102  130  141  103   79   22   -3   -9    6  -13   -5   -8    2   -3   -6    5   -2   -2   -4   -2   -2    1   16 
 12      54   90  105  100   94   71   50   35   29   11   -1   -1    1   -6   -7    2   -2   -5   -4    0    2   -3  -13  -10 
 13      16   50   90   97   94   78   64   54   37   16    2    1   -1   -3   -3   -3   -5   -3   -3   -1   -3   -4   -3   17 
 14      57  104  126  131  106   85   63   47   26   14    2   -2   -3   -4   -4   -3   -6   -5   -3   -3   -1   -2    6   32 
 15      70  109  138  125  109   95   70   52   36   16    4    2   -3   -4   -1   -1   -1   -5   -8   -4    0   -1    8   32 

 16      67  106  125  110   75   54   31   24   17   15    6    1   -2   -4   -6   -2   -3   -4   -5   -5    0   -2   -4   19 
 17      66  113  142  136  117   94   68   46   28   14    2    1    1    1   -3   -4   -3   -4   -4    1    1    6    3   23 
 18      79  162  183  122  117  142   17  -30  -72  -40   -5  -25  -20   -2    7   -2   -5    7    5   -4    0    6   10   11 
 19      59  124   87  106   75   59    3  -26  -20  -14    2   -1   -3  -11   -7   -2    1   -2    5   -4   -8   -5    6  999 
 20      59   90  105  105   93   82   53   46    0  -32  -37  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  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