Solar flares on October 30, 2004
The most powerful solar flare in 24 hours
X1.2 (very strong) flare - October 30 at 11:46 AM
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+00
List of solar flares for October 30, 2004
The total number of solar flares of class C and higher — 19 flares
C class — 14 | M class — 4 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.4 | 21:51 | 21:59 | 22:04 | 691 |
| M5.9 | 16:18 | 16:33 | 16:37 | 691 |
| C1.4 | 15:51 | 15:54 | 15:57 | — |
| C2.6 | 14:41 | 14:48 | 14:53 | — |
| C2.6 | 13:59 | 14:06 | 14:10 | 691 |
| C1.5 | 13:44 | 13:50 | 13:54 | — |
| C3.7 | 12:45 | 12:51 | 13:03 | 687 |
| X1.2 | 11:38 | 11:46 | 11:50 | 691 |
| C1.0 | 11:17 | 11:22 | 11:27 | 691 |
| C7.2 | 10:20 | 10:35 | 10:41 | 691 |
| M3.7 | 09:09 | 09:28 | 09:30 | 691 |
| C1.6 | 08:53 | 08:58 | 09:01 | — |
| C5.5 | 06:55 | 07:01 | 07:05 | 691 |
| M4.2 | 06:08 | 06:18 | 06:22 | 691 |
| C1.1 | 05:50 | 05:55 | 05:59 | — |
| C1.2 | 04:11 | 04:16 | 04:21 | — |
| M3.3 | 03:23 | 03:33 | 03:37 | 691 |
| C1.6 | 02:09 | 02:16 | 02:22 | — |
| C9.7 | 00:39 | 00:49 | 00:53 | 691 |