Solar flares on September 11, 2002
The most powerful solar flare in 24 hours
M2.2 (strong) flare - September 11 at 2:35 AM
Solar activity index
Value as of the end of the day on September 11, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 10, 2002 to September 11, 2002
Time zone — UTC-05 (Jackson) — summer time
List of solar flares for September 11, 2002
The total number of solar flares of class C and higher — 8 flares
C class — 7 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.1 | 19:09 | 19:18 | 19:30 | 107 |
| C1.2 | 17:55 | 18:00 | 18:02 | 107 |
| C1.9 | 12:46 | 12:49 | 12:52 | — |
| C1.3 | 09:48 | 10:03 | 10:06 | 107 |
| C4.5 | 05:38 | 05:51 | 05:56 | — |
| M2.2 | 02:26 | 02:35 | 02:42 | 105 |
| C1.5 | 00:49 | 00:54 | 00:57 | 107 |
| C2.1 | 00:03 | 00:09 | 00:13 | 107 |