Solar flares on May 4, 2002
The most powerful solar flare in 24 hours
C9.3 (normal) flare - May 4 at 3:25 PM
Solar activity index
Value as of the end of the day on May 4, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 3, 2002 to May 4, 2002
Time zone — UTC+02 (Berlin) — summer time
List of solar flares for May 4, 2002
The total number of solar flares of class C and higher — 10 flares
C class — 10 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.6 | 23:54 | 23:58 | 00:02 | — |
| C2.7 | 23:43 | 23:48 | 23:53 | — |
| C1.4 | 23:24 | 23:29 | 23:32 | — |
| C2.0 | 20:53 | 21:01 | 21:09 | 9937 |
| C9.3 | 15:09 | 15:25 | 15:38 | 9937 |
| C1.9 | 13:10 | 13:15 | 13:22 | 9928 |
| C1.3 | 12:19 | 12:22 | 12:29 | — |
| C2.5 | 05:39 | 05:45 | 05:57 | 9934 |
| C7.8 | 04:45 | 04:52 | 05:02 | 9934 |
| C3.2 | 01:31 | 01:35 | 01:39 | — |