Solar flares on October 30, 2003
The most powerful solar flare in 24 hours
M2.0 (strong) flare - October 30 at 8:33 PM
Solar activity index
Value as of the end of the day on October 30, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 29, 2003 to October 30, 2003
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for October 30, 2003
The total number of solar flares of class C and higher — 11 flares
C class — 8 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.1 | 22:08 | 22:16 | 22:28 | 488 |
| M2.0 | 20:26 | 20:33 | 20:37 | — |
| C5.0 | 18:39 | 18:43 | 18:50 | 488 |
| C5.5 | 17:50 | 17:53 | 17:56 | 488 |
| C5.6 | 11:18 | 11:21 | 11:27 | — |
| C5.8 | 10:30 | 10:36 | 10:43 | 488 |
| C5.7 | 08:14 | 08:18 | 08:24 | 488 |
| M1.5 | 07:15 | 07:28 | 07:37 | 486 |
| C7.3 | 04:45 | 04:51 | 04:57 | 488 |
| C7.6 | 04:22 | 04:26 | 04:30 | — |
| C7.7 | 00:32 | 00:37 | 00:44 | 492 |