Solar flares on May 4, 2002
The most powerful solar flare in 24 hours
C9.3 (normal) flare - May 4 at 8:25 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+07 (Norilsk)
List of solar flares for May 4, 2002
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C9.3 | 20:09 | 20:25 | 20:38 | 9937 |
| C1.9 | 18:10 | 18:15 | 18:22 | 9928 |
| C1.3 | 17:19 | 17:22 | 17:29 | — |
| C2.5 | 10:39 | 10:45 | 10:57 | 9934 |
| C7.8 | 09:45 | 09:52 | 10:02 | 9934 |
| C3.2 | 06:31 | 06:35 | 06:39 | — |
| C2.8 | 04:14 | 04:21 | 04:27 | — |
| C5.4 | 03:12 | 03:20 | 03:29 | — |
| C3.9 | 01:02 | 01:09 | 01:17 | 9934 |