Maximum Kp index on September 28, 2009
Kp = 4
Maximum Kp index on September 28, 2009
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Springfield on September 28, 2009
Time zone — UTC−05 — summer time (Springfield | 39.78 N 89.65 W)
Geomagnetic storms in Springfield in September 2009
Time zone — UTC−05 — summer time (Springfield | 39.78 N 89.65 W)
Geomagnetic activity indices on September 28, 2009
| Geomagnetic index Ap | 8 |
|---|---|
| Solar radio flux F10.7 | 73 |