Maximum Kp index on April 28, 2009
Kp = 1
Maximum Kp index on April 28, 2009
The Earth's magnetosphere was quiet
Kp = 1
Geomagnetic storms in Washington on April 28, 2009
Time zone — UTC−04 — summer time (Washington | 38.9 N 77.02 W)
Geomagnetic storms in Washington in April 2009
Time zone — UTC−04 — summer time (Washington | 38.9 N 77.02 W)
Geomagnetic activity indices on April 28, 2009
| Geomagnetic index Ap | 2 |
|---|---|
| Solar radio flux F10.7 | 69 |