Maximum Kp index on April 21, 2026
Kp = 4
Maximum Kp index on April 21, 2026
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Fairbanks on April 21, 2026
Time zone — UTC−08 — summer time (Fairbanks | 64.83 N 147.82 W)
Geomagnetic storms in Fairbanks in April 2026
Time zone — UTC−08 — summer time (Fairbanks | 64.83 N 147.82 W)
Geomagnetic activity indices on April 21, 2026
| Geomagnetic index Ap | 19 |
|---|---|
| Solar radio flux F10.7 | 112 |