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