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Geomagnetic storm on 7 Sep 2017 (G4)
Max Kp8-G4
Ap36No. 11 in 2017
Consecutive G1+ days2
Ap rank2,096since 1932
Kp by 3-hour slot (UTC)
3-
4-
4-
4-
3-
2o
3-
8-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 4 Sep 2017 | 5- | 16 | G1 |
| 5 Sep 2017 | 4o | 11 | – |
| 6 Sep 2017 | 3+ | 8 | – |
| 7 Sep 2017 | 8- | 36 | G4 |
| 8 Sep 2017 | 8+ | 106 | G4 |
| 9 Sep 2017 | 2+ | 3 | – |
| 10 Sep 2017 | 3o | 4 | – |
Highest-Ap days of 2017
106
51
47
47
46
44
44
37
37
36
Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.
About this page
Max Kp 8-, Ap 36: No. 2,096 of 34,615 days since 1932 by Ap.