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Geomagnetic activity in July 1951
Mean Ap19.9No. 159 of 1138
G1+ days13
G3+ days2
Max Ap822 Jul 1951
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Jul 1951 | 7o | 31 | G3 |
| 2 Jul 1951 | 8- | 82 | G4 |
| 3 Jul 1951 | 5- | 29 | G1 |
| 4 Jul 1951 | 5o | 22 | G1 |
| 15 Jul 1951 | 6- | 17 | G2 |
| 16 Jul 1951 | 5o | 24 | G1 |
| 17 Jul 1951 | 5o | 24 | G1 |
| 18 Jul 1951 | 5o | 25 | G1 |
| 22 Jul 1951 | 6o | 32 | G2 |
| 23 Jul 1951 | 5+ | 21 | G1 |
| 26 Jul 1951 | 5o | 33 | G1 |
| 28 Jul 1951 | 5+ | 36 | G1 |
| 31 Jul 1951 | 6o | 48 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 1950 | 14.0 | 7 | 1 |
| July 1951 | 19.9 | 13 | 2 |
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 19.9 in July 1951, No. 159 of 1138 months since 1932; 13 days reached G1 or higher.