Aurora & Space WeatherHome › Geomagnetic history › 1950
Geomagnetic activity in July 1950
Mean Ap14.0No. 430 of 1138
G1+ days7
G3+ days1
Max Ap4712 Jul 1950
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 3 Jul 1950 | 5o | 15 | G1 |
| 4 Jul 1950 | 6o | 29 | G2 |
| 11 Jul 1950 | 6o | 32 | G2 |
| 12 Jul 1950 | 7o | 47 | G3 |
| 13 Jul 1950 | 5o | 25 | G1 |
| 24 Jul 1950 | 5+ | 33 | G1 |
| 25 Jul 1950 | 6+ | 40 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 1949 | 7.7 | 2 | 0 |
| July 1950 | 14.0 | 7 | 1 |
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 14.0 in July 1950, No. 430 of 1138 months since 1932; 7 days reached G1 or higher.