Solar flares on September 30, 2002
The most powerful solar flare in 24 hours
M2.1 (strong) flare - September 30 at 3:50 AM
Solar activity index
Value as of the end of the day on September 30, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 29, 2002 to September 30, 2002
Time zone — UTC+02 (Bern) — summer time
List of solar flares for September 30, 2002
The total number of solar flares of class C and higher — 18 flares
C class — 17 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.2 | 20:54 | 21:01 | 21:07 | 134 |
| C2.3 | 19:14 | 19:20 | 19:24 | 134 |
| C2.2 | 13:37 | 13:42 | 13:44 | 134 |
| C2.0 | 12:56 | 13:03 | 13:11 | — |
| C1.3 | 12:36 | 12:40 | 12:42 | — |
| C2.2 | 11:15 | 11:20 | 11:23 | 134 |
| C1.7 | 10:36 | 10:44 | 10:53 | — |
| C2.1 | 10:03 | 10:09 | 10:19 | 134 |
| C2.6 | 08:58 | 09:01 | 09:03 | 0 |
| C3.2 | 08:33 | 08:43 | 08:53 | 134 |
| C5.1 | 07:41 | 07:45 | 07:47 | 134 |
| C5.3 | 07:26 | 07:31 | 07:36 | 134 |
| C2.1 | 06:12 | 06:22 | 06:26 | 134 |
| C1.6 | 05:07 | 05:12 | 05:14 | 134 |
| M2.1 | 03:42 | 03:50 | 03:54 | 134 |
| C5.3 | 01:20 | 01:27 | 01:32 | 134 |
| C2.1 | 00:51 | 00:55 | 01:03 | 134 |
| C1.5 | 00:02 | 00:19 | 00:23 | — |