Maximum Kp index on September 9, 2004
Kp = 2
Maximum Kp index on September 9, 2004
The Earth's magnetosphere was quiet
Kp = 2
Geomagnetic storms in Springfield on September 9, 2004
Time zone — UTC−05 — summer time (Springfield | 39.78 N 89.65 W)
Geomagnetic storms in Springfield in September 2004
Time zone — UTC−05 — summer time (Springfield | 39.78 N 89.65 W)
Geomagnetic activity indices on September 9, 2004
| Geomagnetic index Ap | 4 |
|---|---|
| Solar radio flux F10.7 | 131 |