Solar flares on April 22, 2011
The most powerful solar flare in 24 hours
M1.8 (strong) flare - April 22 at 7:57 AM
Solar activity index
Value as of the end of the day on April 22, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 21, 2011 to April 22, 2011
Time zone — UTC+03 (Sochi)
List of solar flares for April 22, 2011
The total number of solar flares of class C and higher — 15 flares
C class — 13 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.6 | 22:30 | 22:35 | 22:40 | 1195 |
| C4.2 | 20:41 | 20:54 | 21:07 | 1195 |
| C5.5 | 19:56 | 20:07 | 20:14 | 1195 |
| M1.2 | 18:47 | 18:53 | 19:11 | 1195 |
| C1.4 | 17:55 | 17:59 | 18:02 | 1195 |
| C1.3 | 17:42 | 17:47 | 17:49 | 1195 |
| C1.3 | 17:04 | 17:07 | 17:09 | 1195 |
| C3.0 | 15:29 | 15:36 | 15:39 | 1195 |
| C7.7 | 14:07 | 14:25 | 14:37 | 1195 |
| C2.6 | 12:40 | 12:46 | 12:59 | 1195 |
| C2.5 | 11:04 | 11:09 | 11:12 | 1195 |
| C1.8 | 10:08 | 10:32 | 10:35 | 1195 |
| M1.8 | 07:35 | 07:57 | 08:14 | 1195 |
| C1.5 | 03:13 | 03:20 | 03:26 | 1195 |
| C4.5 | 00:51 | 01:07 | 01:39 | 1195 |