Solar flares on April 15, 2011
The most powerful solar flare in 24 hours
M1.3 (strong) flare - April 15 at 8:12 PM
Solar activity index
Value as of the end of the day on April 15, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 14, 2011 to April 15, 2011
Time zone — UTC+03 (Riga)
List of solar flares for April 15, 2011
The total number of solar flares of class C and higher — 10 flares
C class — 9 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.3 | 20:02 | 20:12 | 20:28 | 1190 |
| C1.6 | 19:08 | 19:14 | 19:19 | 1190 |
| C2.0 | 17:42 | 17:49 | 17:57 | 1190 |
| C2.8 | 16:47 | 16:50 | 16:54 | 1190 |
| C1.9 | 14:29 | 14:36 | 14:48 | 1193 |
| C1.6 | 12:10 | 12:36 | 12:49 | 1190 |
| C1.1 | 11:09 | 11:11 | 11:12 | — |
| C1.3 | 07:37 | 07:41 | 07:44 | 1190 |
| C1.8 | 06:43 | 06:55 | 07:00 | 1190 |
| C1.1 | 00:11 | 00:18 | 00:27 | 1190 |