Maximum Kp index on April 20, 2004
Kp = 3
Maximum Kp index on April 20, 2004
The Earth's magnetosphere was quiet
Kp = 3
Geomagnetic storms in New York on April 20, 2004
Time zone — UTC−04 — summer time (New York | 40.66 N 73.94 W)
Geomagnetic storms in New York in April 2004
Time zone — UTC−04 — summer time (New York | 40.66 N 73.94 W)
Geomagnetic activity indices on April 20, 2004
| Geomagnetic index Ap | 4 |
|---|---|
| Solar radio flux F10.7 | 111 |