Maximum Kp index on September 13, 2004
Kp = 4
Maximum Kp index on September 13, 2004
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms on September 13, 2004
Time zone — UTC+00
Geomagnetic storms in September 2004
Time zone — UTC+00
Geomagnetic activity indices on September 13, 2004
| Geomagnetic index Ap | 8 |
|---|---|
| Solar radio flux F10.7 | 118 |