Solar flares on October 30, 2003
The most powerful solar flare in 24 hours
M1.5 (strong) flare - October 30 at 11:28 AM
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-04 (Oshawa) — summer time
List of solar flares for October 30, 2003
The total number of solar flares of class C and higher — 9 flares
C class — 8 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.0 | 22:39 | 22:43 | 22:50 | 488 |
| C5.5 | 21:50 | 21:53 | 21:56 | 488 |
| C5.6 | 15:18 | 15:21 | 15:27 | — |
| C5.8 | 14:30 | 14:36 | 14:43 | 488 |
| C5.7 | 12:14 | 12:18 | 12:24 | 488 |
| M1.5 | 11:15 | 11:28 | 11:37 | 486 |
| C7.3 | 08:45 | 08:51 | 08:57 | 488 |
| C7.6 | 08:22 | 08:26 | 08:30 | — |
| C7.7 | 04:32 | 04:37 | 04:44 | 492 |