Maximum Kp index on April 21, 2018
Kp = 3
Maximum Kp index on April 21, 2018
The Earth's magnetosphere was quiet
Kp = 3
Geomagnetic storms in Springfield on April 21, 2018
Time zone — UTC−05 — summer time (Springfield | 39.78 N 89.65 W)
Geomagnetic storms in Springfield in April 2018
Time zone — UTC−05 — summer time (Springfield | 39.78 N 89.65 W)
Geomagnetic activity indices on April 21, 2018
| Geomagnetic index Ap | 12 |
|---|---|
| Solar radio flux F10.7 | 77 |