Solar flares on October 25, 2003
The most powerful solar flare in 24 hours
M1.7 (strong) flare - October 25 at 6:53 AM
Solar activity index
Value as of the end of the day on October 25, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 24, 2003 to October 25, 2003
Time zone — UTC+01 (London) — summer time
List of solar flares for October 25, 2003
The total number of solar flares of class C and higher — 14 flares
C class — 11 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C7.9 | 23:26 | 23:31 | 23:33 | — |
| C3.3 | 21:33 | 21:43 | 21:51 | — |
| C3.2 | 20:25 | 20:33 | 20:44 | — |
| C2.4 | 19:00 | 19:04 | 19:06 | — |
| C4.2 | 15:38 | 15:52 | 16:04 | — |
| C3.4 | 12:24 | 12:28 | 12:32 | — |
| M1.5 | 11:26 | 11:35 | 11:45 | 484 |
| C3.4 | 10:38 | 10:49 | 10:52 | — |
| M1.7 | 06:44 | 06:53 | 07:26 | 484 |
| M1.2 | 05:17 | 05:46 | 06:28 | 486 |
| C3.4 | 04:53 | 04:56 | 04:59 | — |
| C3.9 | 04:36 | 04:41 | 04:47 | 484 |
| C2.6 | 03:56 | 04:00 | 04:04 | 484 |
| C4.3 | 03:02 | 03:06 | 03:14 | — |