Solar flares on March 11, 2011
The most powerful solar flare in 24 hours
C5.5 (normal) flare - March 11 at 4:32 AM
Solar activity index
Value as of the end of the day on March 11, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 10, 2011 to March 11, 2011
Time zone — UTC+00 (London)
List of solar flares for March 11, 2011
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 22:38 | 22:43 | 22:50 | 1166 |
| C1.0 | 22:14 | 22:20 | 22:27 | 1166 |
| C1.1 | 16:04 | 16:07 | 16:10 | 1166 |
| C3.6 | 11:43 | 11:47 | 11:49 | 1166 |
| C2.0 | 11:10 | 11:15 | 11:22 | 1166 |
| C1.1 | 08:13 | 08:18 | 08:25 | — |
| C4.3 | 07:22 | 07:27 | 07:32 | 1166 |
| C3.0 | 06:59 | 07:03 | 07:08 | 1166 |
| C5.5 | 04:15 | 04:32 | 04:39 | 1166 |
| C2.8 | 02:24 | 02:29 | 02:36 | 1166 |
| C1.1 | 01:46 | 01:50 | 01:57 | — |
| C1.4 | 00:29 | 00:33 | 00:39 | — |