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       4    0  -10    1    1    1    2    4    5    7   12   25   48   95  109  101   92   68   50   27   20   17    8    6 
  2       9  -14  -23   16    2    8   18   18    0    3   18   46   77  100  107   82   71   41   -3  -22  -42  -29  -14   -5 
  3     -10    9    4    5   -5   -1   -1   -4   -5   10   13    9   30   36   54   54   21   -6  -17  -55  -26  -37  -33  -13 
  4      -2   -1   -4    0    5    5    7    3    3    0    4   11   31   44   55   56   39   26    8  -10  -17    6   -3   -3 
  5       2   15   14   -6   -2    4    3    2    2   -1   -4   10   26   52   69   63   50   31   19    9    7    6    4    2 

  6       0   -1   -2   -5    8    7    2   -3    1    3   11   13   35   55   62   57   49   38   25    7    0   -1   -5    7 
  7      -4    7    7    2    0    1    0    4    5    0    1   10   24   42   60   54   45   30   19    2    4    3    4   -9 
  8     -11   -6    3    5    2    4    4    4    3    6   14   26   45   61   63   57   43   39   23    6   -9   -3  -10   -9 
  9      -7   -4    0    2    4    2   -1    4   -2    1    3    9   30   48   60   66   53   38   26    5  -13  -15   -3   -6 
 10      -2   -6   11   -2    3    9    9    8    0   11   12   27   43   60   38   37   32   19    2   -9   -2   -6   -7   -1 

 11      -1    1    4    0   -6    0    6   14   12    5    0    3   21   40   47   44   27   30   28   14    5    4    2   -2 
 12       0    1   -3   -4    3    4    2    2    7    2    8   22   35   61   62   57   42   23    9   -2   -6   -5   -5    3 
 13       1   -1   -1    2   -1    1    3    5    4    3    9   21   35   52   65   62   51   34   20   11    5    3    4   -1 
 14      -3    2   -1    2    2    2    3    5    6    4    8   18   30   43   46   41   23  999    4   -4   -4    0    2    1 
 15       1    1   -2    0   -1    2    8    5    5    4   16   30   49   68   82   73   62   38   23    9    2    1    4    4 

 16       1    1    2    1    1    1    3    6    5    6   14   28   39   53   57   52   42   28   14    4   -2    1    2    3 
 17       2   -1    0   -1    0    4    5    5    3    5   14   30   50   67   62   54   46   35   18   14    9    9    0   -8 
 18       7   16    0   -7    5   32   16   10    5   15   16   40   58   75   73   54  999   34    7  -10   -7    2   -5   -3 
 19      -6    5   12    4   -3   -2   20   20    8   -4   10   33   45   65   73   69   50   28   15   -2  -12   -3    1    0 
 20      -1    1    1    2    0    0   -1   11    2  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  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