Maximum Kp index on September 21, 2026
Kp = 2
Maximum Kp index on September 21, 2026
The Earth's magnetosphere was quiet
Kp = 2
Geomagnetic storms in Montreal on September 21, 2026
Time zone — UTC−04 — summer time (Montreal | 45.52 N 73.57 W)
Geomagnetic storms in Montreal in September 2026
Time zone — UTC−04 — summer time (Montreal | 45.52 N 73.57 W)
Geomagnetic activity indices on September 21, 2026
| Geomagnetic index Ap | 3 |
|---|---|
| Solar radio flux F10.7 | 104 |