Maximum Kp index on September 17, 2026
Kp = 3
Maximum Kp index on September 17, 2026
The Earth's magnetosphere was quiet
Kp = 3
Geomagnetic storms in Greater Sudbury on September 17, 2026
Time zone — UTC−04 — summer time (Greater Sudbury | 46.49 N 81.01 W)
Geomagnetic storms in Greater Sudbury in September 2026
Time zone — UTC−04 — summer time (Greater Sudbury | 46.49 N 81.01 W)
Geomagnetic activity indices on September 17, 2026
| Geomagnetic index Ap | 9 |
|---|---|
| Solar radio flux F10.7 | 97 |