Solar flares on April 15, 2002
The most powerful solar flare in 24 hours
M3.7 (strong) flare - April 15 at 12:14 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+00
List of solar flares for April 15, 2002
The total number of solar flares of class C and higher — 8 flares
C class — 5 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.2 | 23:05 | 23:24 | 23:41 | 9901 |
| C1.6 | 19:35 | 19:39 | 19:41 | — |
| C3.1 | 17:22 | 17:36 | 18:01 | 9905 |
| C3.0 | 11:39 | 11:42 | 11:44 | 9901 |
| C3.0 | 08:49 | 08:52 | 08:54 | — |
| M1.2 | 03:05 | 03:55 | 05:06 | 9906 |
| C9.8 | 02:46 | 02:51 | 02:55 | 9893 |
| M3.7 | 23:34 | 00:14 | 00:25 | 9893 |