Maximum Kp index on August 21, 2009
Kp = 3
Maximum Kp index on August 21, 2009
The Earth's magnetosphere was quiet
Kp = 3
Geomagnetic storms in Anchorage on August 21, 2009
Time zone — UTC−08 — summer time (Anchorage61.22 N 149.88 W)
Geomagnetic storms in Anchorage in August 2009
Time zone — UTC−08 — summer time (Anchorage61.22 N 149.88 W)
Geomagnetic activity indices on August 21, 2009
| Geomagnetic index Ap | 8 |
|---|---|
| Solar radio flux F10.7 | 66 |