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Geomagnetic activity in April 1967
Mean Ap8.9No. 853 of 1138
G1+ days5
G3+ days0
Max Ap2924 Apr 1967
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Apr 1967 | 5- | 18 | G1 |
| 4 Apr 1967 | 5o | 15 | G1 |
| 22 Apr 1967 | 5- | 18 | G1 |
| 23 Apr 1967 | 5+ | 21 | G1 |
| 24 Apr 1967 | 5o | 29 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| April 1966 | 6.6 | 3 | 0 |
| April 1967 | 8.9 | 5 | 0 |
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
Mean Ap 8.9 in April 1967, No. 853 of 1138 months since 1932; 5 days reached G1 or higher.