Solar flares on April 4, 2002
The most powerful solar flare in 24 hours
M6.1 (strong) flare - April 4 at 6:32 PM
Solar activity index
Value as of the end of the day on April 4, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 3, 2002 to April 4, 2002
Time zone — UTC+03 (Simferopol)
List of solar flares for April 4, 2002
The total number of solar flares of class C and higher — 8 flares
C class — 6 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M6.1 | 18:24 | 18:32 | 18:38 | — |
| C3.0 | 17:33 | 17:36 | 17:40 | 9885 |
| C2.9 | 17:13 | 17:18 | 17:22 | — |
| M1.4 | 13:41 | 13:48 | 13:54 | — |
| C3.0 | 09:51 | 09:54 | 09:56 | 9888 |
| C9.8 | 07:23 | 07:41 | 07:57 | 9893 |
| C2.8 | 06:33 | 06:36 | 06:39 | 9893 |
| C2.4 | 00:47 | 00:52 | 01:01 | — |