Solar flares on May 4, 2002
The most powerful solar flare in 24 hours
C9.3 (normal) flare - May 4 at 9:25 AM
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-04 (Providence) — summer time
List of solar flares for May 4, 2002
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.6 | 17:54 | 17:58 | 18:02 | — |
| C2.7 | 17:43 | 17:48 | 17:53 | — |
| C1.4 | 17:24 | 17:29 | 17:32 | — |
| C2.0 | 14:53 | 15:01 | 15:09 | 9937 |
| C9.3 | 09:09 | 09:25 | 09:38 | 9937 |
| C1.9 | 07:10 | 07:15 | 07:22 | 9928 |
| C1.3 | 06:19 | 06:22 | 06:29 | — |