Maximum Kp index on September 21, 2011
Kp = 2
Maximum Kp index on September 21, 2011
The Earth's magnetosphere was quiet
Kp = 2
Geomagnetic storms in Brussels on September 21, 2011
Time zone — UTC+02 — summer time (Brussels | 50.83 N 4.33 E)
Geomagnetic storms in Brussels in September 2011
Time zone — UTC+02 — summer time (Brussels | 50.83 N 4.33 E)
Geomagnetic activity indices on September 21, 2011
| Geomagnetic index Ap | 5 |
|---|---|
| Solar radio flux F10.7 | 144 |