Maximum Kp index on September 13, 2011
Kp = 4
Maximum Kp index on September 13, 2011
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms on September 13, 2011
Time zone — UTC+00
Geomagnetic storms in September 2011
Time zone — UTC+00
Geomagnetic activity indices on September 13, 2011
| Geomagnetic index Ap | 17 |
|---|---|
| Solar radio flux F10.7 | 129 |