Maximum Kp index on April 4, 2009
Kp = 1
Maximum Kp index on April 4, 2009
The Earth's magnetosphere was quiet
Kp = 1
Geomagnetic storms in Peterborough on April 4, 2009
Time zone — UTC−04 — summer time (Peterborough | 44.3 N 78.34 W)
Geomagnetic storms in Peterborough in April 2009
Time zone — UTC−04 — summer time (Peterborough | 44.3 N 78.34 W)
Geomagnetic activity indices on April 4, 2009
| Geomagnetic index Ap | 2 |
|---|---|
| Solar radio flux F10.7 | 70 |