Solar flares on October 30, 2004
The most powerful solar flare in 24 hours
X1.2 (very strong) flare - October 30 at 7:46 PM
Solar activity index
Value as of the end of the day on October 30, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 29, 2004 to October 30, 2004
Time zone — UTC+08 (Irkutsk)
List of solar flares for October 30, 2004
The total number of solar flares of class C and higher — 18 flares
C class — 14 | M class — 3 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 23:51 | 23:54 | 23:57 | — |
| C2.6 | 22:41 | 22:48 | 22:53 | — |
| C2.6 | 21:59 | 22:06 | 22:10 | 691 |
| C1.5 | 21:44 | 21:50 | 21:54 | — |
| C3.7 | 20:45 | 20:51 | 21:03 | 687 |
| X1.2 | 19:38 | 19:46 | 19:50 | 691 |
| C1.0 | 19:17 | 19:22 | 19:27 | 691 |
| C7.2 | 18:20 | 18:35 | 18:41 | 691 |
| M3.7 | 17:09 | 17:28 | 17:30 | 691 |
| C1.6 | 16:53 | 16:58 | 17:01 | — |
| C5.5 | 14:55 | 15:01 | 15:05 | 691 |
| M4.2 | 14:08 | 14:18 | 14:22 | 691 |
| C1.1 | 13:50 | 13:55 | 13:59 | — |
| C1.2 | 12:11 | 12:16 | 12:21 | — |
| M3.3 | 11:23 | 11:33 | 11:37 | 691 |
| C1.6 | 10:09 | 10:16 | 10:22 | — |
| C9.7 | 08:39 | 08:49 | 08:53 | 691 |
| C2.8 | 00:26 | 00:33 | 00:35 | 693 |