Maximum Kp index on September 20, 2017
Kp = 3
Maximum Kp index on September 20, 2017
The Earth's magnetosphere was quiet
Kp = 3
Geomagnetic storms in London on September 20, 2017
Time zone — UTC+01 — summer time (London51.51 N 0.13 W)
Geomagnetic storms in London in September 2017
Time zone — UTC+01 — summer time (London51.51 N 0.13 W)
Geomagnetic activity indices on September 20, 2017
| Geomagnetic index Ap | 10 |
|---|---|
| Solar radio flux F10.7 | 74 |