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Geomagnetic activity in August 2003
Mean Ap23.0No. 92 of 1138
G1+ days15
G3+ days2
Max Ap10818 Aug 2003
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Aug 2003 | 5+ | 39 | G1 |
| 6 Aug 2003 | 6- | 32 | G2 |
| 7 Aug 2003 | 7- | 32 | G3 |
| 8 Aug 2003 | 5+ | 33 | G1 |
| 12 Aug 2003 | 5- | 26 | G1 |
| 17 Aug 2003 | 5+ | 20 | G1 |
| 18 Aug 2003 | 7+ | 108 | G3 |
| 19 Aug 2003 | 6- | 19 | G2 |
| 20 Aug 2003 | 5o | 17 | G1 |
| 21 Aug 2003 | 6o | 58 | G2 |
| 22 Aug 2003 | 6- | 46 | G2 |
| 23 Aug 2003 | 6- | 36 | G2 |
| 24 Aug 2003 | 5- | 20 | G1 |
| 25 Aug 2003 | 5- | 20 | G1 |
| 29 Aug 2003 | 5o | 16 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| August 2002 | 13.6 | 10 | 0 |
| August 2003 | 23.0 | 15 | 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 23.0 in August 2003, No. 92 of 1138 months since 1932; 15 days reached G1 or higher.