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January 2026
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Date
 
Space Environment Research Center, Kyushu University 
EDst1h (Realtime Ver.) 
Unit: nT 

January 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       2    0    4   -2    0    5    5    4   -7   -8   -6   -1    1   -3   -2   -3   -9   -5   -8   -3  -10  -11   -9  -13 
  2     -14   -8  -13  -14  -11  -22  -14  -17  -20  -22  -13  -10  -11  -16  -16  -11   -7   -1   -2  -11    1  -14  -15  -15 
  3     -34  -36  -34  -31  -28  -29  -36  -32  -28  -29  -23  -18  -16  -21  -20  -27  -33  -37  -28  -11  -11   -9   -6    1 
  4       0   -3   -5   -6   -5   -7   -8  -10  -12  -17  -14   -6    0    0    0    2    4    6    2    5    1   -2    1    0 
  5       2   -4   -3   -6  -20  -36  -40  -45  -39  -36  -37  -36  -30  -30  -34  -30  -23  -19  -16  -16  -14  -13  -11   -2 

  6      -6  -12  -12  -14  -12  -11  -12  -15  -18  -19  -15   -7   -2   -3    4    5    5    5    4    4    2   -2   -3   -2 
  7       3    1    1   -1   -2   -3   -3   -2   -2   -6   -4    3   11   10   12   12    8    3    0   -1   -5   -8   -4   -4 
  8     -12  -21  -31  -31  -37  -33  -13  -22  -29  -28  -22  -21  -18  -19  -14   -8   -4   -4   -4    1    5   -5  -10  -11 
  9      -6  -15  -36  -39  -17  -11   -8   -3   -7   -5   -1    2    3   -5   -4   -4   -8  -10  -12   -6   -6   -2    4    6 
 10       5    2    0    7   11    2   -7   -6   -4    0   -6  -18  -21  -33  -52  -23  -33  -45  -54  -55  -51  -10   -2  -47 

 11     -91  -77  -69  -69  -63  -64  -58  -53  -44  -44  -43  -40  -51  -61  -63  -54  -73  -80  -74  -72  -62  -46  -52  -58 
 12     -51  -49  -55  -51  -47  -42  -38  -44  -44  -42  -34  -30  -28  -25  -25  -26  -23  -23  -25  -25  -29  -26  -25  -22 
 13     -29  -32  -30  -28  -35  -26  -24  -24  -21  -22  -31  -25  -23  -23  -22  -21  -20  -19  -18  -18  -17  -17  -18  -17 
 14     -13  -17  -20  -20  -17  -16  -21  -21  -19  -18  -15   -7   -9   -9   -3   -4   -1   -1   -5   -6   -4   -5   -2    6 
 15       3   -3  999  999  999  999  999  999  999  999  -16  -21  -14   -8   -4    0   -2  -14  -11   -2   -4   -8   -5    1 

 16       3    2   10   13    4    1    4  -13  -18  -11   -9    1    3    6   -2  -22  -39  -47  -27  -18  -27  -30  -27  -27 
 17     -21  -30  -45  -12  -47  -45  -35  -33  -33  -30  -29  -20  -17  -17  -21  -19  -13   -7  -11  -20  -13  -11  -11  -17 
 18     -16  -16  -20  -23  -23  -26  -17   -9  -18  -23  -21  -16  -19  -29  -34  -21  -13  -22  -17   -7  -11  -11  -12  -18 
 19     -22  -33  -38  -27  -24  -26  -27  -23  -21  -21  -21  -15   -9   -8   -7  -11  -14  -19  -23  -12   89  -51 -124 -108 
 20    -147 -138 -158 -138 -125 -109 -112  -67  -61  -82  -62 -157  999 -193 -199  999 -194  999 -168 -174 -180 -160 -175 -190 

 21    -178 -149  999 -183 -186 -169 -112 -146 -120 -111  -98 -145 -148 -145 -139 -126  -89  -95  -95  -74  -79  -82  -80  -79 
 22     -74  -77  -82  -85  -84  -80  -79  -78  -78  -71  -61  -63  -56  -54  -53  -51  -52  -52  -51  -45  -46  -46  -54  -63 
 23     -74  -79  -99 -101  -92  -65  -66  -64  -60  -66  -73  -80  -72  -62  -62  -78  -88  -71  -54  -60  -72  -69  -66  -63 
 24     -71  -73  -78  -67  -66  -66  -63  -60  -60  -57  -57  -65  -56  -53  -47  -47  -45  -41  -42  -49  -37  -40  -44  -45 
 25     -44  -49  -51  -49  -36  -49  -52  -51  -45  -43  -39  -52  -64  -56  -52  -56  -35  -38  -40  -40  -38  -34  -32  -32 

 26     -31  -35  -40  -41  -40  -42  -42  -45  -45  -42  -45  -43  -35  -32  -44  -56  -47  -41  -34  -23  -27  -33  -37  -33 
 27     -23  -27  -32  -37  -37  -36  -39  -40  -40  -37  -35  -31  -22  -19  -22  -23  -21  -23  -30  -33  -33  -25  -20  -28 
 28     -39  -48  -44  -41  -38  -52  -49  -45  -39  -32  -38  -34  -29  -35  -33  -42  -29  -41  -43  -40  -33  -30  -33  -37 
 29     -64  -54  -47  -53  -52  -40  -42  -41  -41  -47  -47  -49  -49  -38  -39  -27  -41  -43  -31  -38  -39  -38  -34  -36 
 30     -43  -40  -42  -40  -37  -43  -44  -41  -38  -39  -31  -27  -23  -22  -20  -18  -18  -15  -16  -17  -18  -18  -19  -20 

 31     -15  -18  -19  -25  -26  -28  -29  -29  -29  -23  -18  -14   -8   -9  -10  -12  -15  -16  -16  -15  -12  -12  -11  -13 



 
Space Environment Research Center, Kyushu University 
EDst6h (Realtime Ver.) 
Unit: nT 

January 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       1    1    1    2    3    1    0   -1   -2   -3   -4   -3   -2   -3   -3   -5   -5   -6   -8   -8   -9  -10  -11  -12 
  2     -12  -12  -14  -14  -15  -16  -18  -18  -16  -16  -15  -15  -13  -12  -10   -9   -8   -5   -6   -7   -9  -15  -15  -19 
  3     -28  -30  -32  -32  -32  -31  -30  -30  -28  -24  -23  -21  -21  -23  -26  -28  -26  -24  -21  -17  -11   -6   -5   -4 
  4      -3   -3   -4   -6   -7   -8  -10  -11  -11  -10   -8   -6   -3    0    2    2    3    3    3    2    1    1    0    0 
  5      -2   -5  -11  -18  -25  -31  -36  -39  -39  -37  -35  -34  -33  -30  -28  -25  -23  -20  -17  -15  -12  -10   -9   -8 

  6      -9  -10  -11  -12  -13  -14  -15  -15  -14  -13  -11   -7   -3    0    2    3    4    4    3    1    0    0   -1   -1 
  7       0    0    0   -1   -2   -2   -3   -3   -2    0    2    4    7    9    9    7    5    3   -1   -3   -4   -6   -7   -7 
  8     -17  -22  -27  -28  -28  -28  -27  -25  -23  -23  -23  -20  -17  -14  -11   -9   -5   -2   -2   -3   -4   -4   -5   -8 
  9     -19  -21  -21  -21  -19  -14   -8   -6   -4   -2   -2   -2   -1   -3   -5   -7   -7   -8   -7   -5   -3    0    2    3 
 10       4    5    4    2    1    0   -1   -4   -7   -9  -14  -22  -26  -30  -34  -40  -43  -43  -41  -36  -36  -43  -40  -38 

 11     -59  -69  -72  -67  -63  -58  -54  -51  -47  -46  -47  -50  -52  -57  -64  -68  -69  -69  -68  -64  -61  -57  -54  -52 
 12     -53  -52  -49  -47  -46  -44  -43  -41  -39  -37  -34  -31  -28  -26  -25  -24  -24  -25  -25  -25  -25  -26  -26  -25 
 13     -28  -29  -30  -29  -28  -26  -25  -25  -25  -24  -24  -24  -24  -22  -21  -20  -20  -19  -18  -18  -18  -17  -17  -16 
 14     -18  -18  -17  -19  -19  -19  -19  -18  -17  -15  -13  -10   -8   -6   -4   -4   -3   -4   -4   -4   -3   -1    0    1 
 15       1    2    0   -3  999  999  999  -16  -20  -17  -15  -12  -10   -8   -7   -7   -6   -6   -7   -7   -5   -3   -3   -2 

 16       4    6    6    6    3   -1   -5   -8   -8   -8   -5   -2   -4   -9  -17  -22  -26  -30  -32  -30  -26  -25  -27  -27 
 17     -27  -30  -33  -36  -36  -34  -37  -34  -30  -27  -24  -22  -20  -18  -16  -15  -15  -14  -13  -12  -14  -15  -14  -14 
 18     -17  -19  -21  -21  -20  -19  -19  -19  -18  -18  -21  -24  -23  -22  -23  -23  -19  -15  -13  -13  -13  -14  -15  -16 
 19     -25  -27  -28  -29  -28  -25  -24  -23  -21  -18  -16  -14  -12  -11  -11  -14  -15    2   -5  -14  -30  -53  -62 -105 
 20    -137 -136 -136 -130 -118 -102  -92  -81  -89  -85  -95 -107 -118 -167 -194 -175 -173 -175 -171 -172 -175 -176 -177 -176 

 21    -175 -177 -172 -154 -153 -145 -132 -120 -122 -128 -128 -131 -133 -132 -124 -115 -103  -93  -86  -84  -82  -78  -79  -79 
 22     -80  -80  -80  -81  -82  -81  -78  -74  -72  -68  -64  -60  -56  -55  -53  -52  -51  -50  -49  -49  -51  -54  -56  -59 
 23     -78  -85  -85  -84  -81  -75  -69  -66  -68  -69  -69  -69  -71  -74  -72  -69  -69  -71  -69  -65  -64  -67  -68  -67 
 24     -70  -70  -70  -69  -67  -64  -62  -60  -60  -59  -58  -56  -54  -52  -48  -46  -45  -43  -42  -42  -43  -43  -42  -43 
 25     -47  -46  -46  -48  -48  -47  -46  -46  -47  -49  -50  -51  -53  -53  -50  -46  -44  -41  -38  -37  -36  -34  -33  -32 

 26     -35  -37  -38  -40  -42  -43  -43  -44  -44  -43  -41  -40  -43  -43  -42  -42  -41  -38  -34  -32  -31  -29  -31  -32 
 27     -32  -32  -33  -35  -37  -38  -38  -38  -37  -34  -30  -27  -25  -23  -22  -23  -25  -27  -28  -27  -28  -29  -28  -27 
 28     -36  -40  -44  -45  -45  -44  -42  -43  -39  -36  -34  -34  -35  -34  -35  -37  -38  -38  -36  -37  -36  -39  -38  -40 
 29     -48  -51  -51  -48  -46  -45  -44  -43  -44  -46  -45  -45  -41  -40  -39  -36  -36  -37  -38  -37  -36  -38  -38  -37 
 30     -39  -40  -41  -41  -41  -41  -40  -39  -37  -33  -30  -27  -24  -21  -19  -18  -18  -17  -17  -17  -18  -18  -18  -18 

 31     -19  -21  -22  -24  -26  -28  -27  -26  -24  -20  -17  -14  -12  -11  -12  -13  -14  -14  -14  -14  -13  -13  -12  -12 




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