Solar flares on April 15, 2002
The most powerful solar flare in 24 hours
M3.7 (strong) flare - April 15 at 5:14 AM
Solar activity index
Value as of the end of the day on April 15, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 14, 2002 to April 15, 2002
Time zone — UTC+05 (Perm)
List of solar flares for April 15, 2002
The total number of solar flares of class C and higher — 10 flares
C class — 8 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.1 | 22:22 | 22:36 | 23:01 | 9905 |
| C3.0 | 16:39 | 16:42 | 16:44 | 9901 |
| C3.0 | 13:49 | 13:52 | 13:54 | — |
| M1.2 | 08:05 | 08:55 | 10:06 | 9906 |
| C9.8 | 07:46 | 07:51 | 07:55 | 9893 |
| M3.7 | 04:34 | 05:14 | 05:25 | 9893 |
| C7.2 | 03:22 | 03:29 | 03:33 | 9893 |
| C7.3 | 02:04 | 02:25 | 02:43 | 9893 |
| C4.4 | 01:51 | 01:56 | 02:03 | 9907 |
| C2.0 | 00:36 | 00:45 | 00:50 | — |