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Geomagnetic activity in August 1948
Mean Ap20.0No. 154 of 1138
G1+ days10
G3+ days2
Max Ap1468 Aug 1948
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 4 Aug 1948 | 5o | 20 | G1 |
| 7 Aug 1948 | 5- | 15 | G1 |
| 8 Aug 1948 | 8- | 146 | G4 |
| 9 Aug 1948 | 6+ | 48 | G2 |
| 10 Aug 1948 | 7o | 74 | G3 |
| 11 Aug 1948 | 5+ | 27 | G1 |
| 12 Aug 1948 | 6- | 30 | G2 |
| 20 Aug 1948 | 6- | 29 | G2 |
| 23 Aug 1948 | 5- | 15 | G1 |
| 29 Aug 1948 | 5- | 26 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| August 1947 | 25.3 | 13 | 4 |
| August 1948 | 20.0 | 10 | 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 20.0 in August 1948, No. 154 of 1138 months since 1932; 10 days reached G1 or higher.