Solar flares on May 11, 2002
The most powerful solar flare in 24 hours
M1.4 (strong) flare - May 11 at 2:32 PM
Solar activity index
Value as of the end of the day on May 11, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 10, 2002 to May 11, 2002
Time zone — UTC+03 (Pskov)
List of solar flares for May 11, 2002
The total number of solar flares of class C and higher — 13 flares
C class — 12 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.7 | 20:32 | 20:38 | 20:41 | 9934 |
| C2.7 | 19:45 | 19:50 | 19:54 | 9946 |
| M1.4 | 14:21 | 14:32 | 14:41 | 9937 |
| C1.6 | 10:36 | 10:39 | 10:43 | — |
| C3.6 | 09:51 | 09:56 | 10:01 | — |
| C1.2 | 07:35 | 07:40 | 07:44 | — |
| C1.6 | 06:28 | 06:32 | 06:36 | — |
| C6.4 | 05:44 | 05:52 | 05:56 | — |
| C2.3 | 04:37 | 04:42 | 04:46 | — |
| C1.9 | 03:36 | 03:41 | 03:45 | — |
| C3.3 | 02:55 | 03:00 | 03:04 | 9934 |
| C1.1 | 00:50 | 00:54 | 00:57 | 9934 |
| C1.6 | 00:23 | 00:28 | 00:33 | 9934 |
Diary
- 04.08.2026 The magnetic storm has ended
- 02.08.2026 The first magnetic storm of August has begun
- 02.08.2026 A moderate magnetic storm is expected today, Sunday.