Solar flares on March 11, 2015
The most powerful solar flare in 24 hours
X2.1 (very strong) flare - March 11 at 4:22 PM
Solar activity index
Value as of the end of the day on March 11, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 10, 2015 to March 11, 2015
Time zone — UTC+00 (Reykjavik)
List of solar flares for March 11, 2015
The total number of solar flares of class C and higher — 19 flares
C class — 14 | M class — 4 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.7 | 23:32 | 23:45 | 23:55 | 2297 |
| C7.8 | 22:08 | 22:19 | 22:37 | 2297 |
| M1.0 | 18:37 | 18:51 | 18:57 | 2297 |
| X2.1 | 16:11 | 16:22 | 16:29 | 2297 |
| C1.7 | 15:15 | 15:26 | 15:38 | 2297 |
| C2.0 | 14:30 | 14:38 | 14:46 | — |
| C2.3 | 13:05 | 13:16 | 13:23 | 2297 |
| C5.8 | 11:21 | 11:34 | 12:01 | 2297 |
| C1.8 | 09:21 | 09:25 | 09:31 | 2297 |
| M2.6 | 07:51 | 07:57 | 08:03 | 2297 |
| M1.8 | 07:10 | 07:18 | 07:43 | 2297 |
| C1.0 | 06:45 | 06:48 | 06:51 | 2297 |
| C2.7 | 06:05 | 06:09 | 06:14 | 2297 |
| C1.3 | 05:51 | 05:57 | 06:00 | 2297 |
| C4.0 | 05:11 | 05:15 | 05:18 | — |
| C4.5 | 04:47 | 05:03 | 05:11 | 2297 |
| C2.8 | 02:12 | 02:19 | 02:25 | 2297 |
| C1.1 | 01:16 | 01:19 | 01:23 | 2297 |
| M2.9 | 23:46 | 00:02 | 00:06 | 2297 |