Solar flares on July 31, 2002
The most powerful solar flare in 24 hours
C9.6 (normal) flare - July 31 at 4:58 AM
Solar activity index
Value as of the end of the day on July 31, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 30, 2002 to July 31, 2002
Time zone — UTC-05 (Jackson) — summer time
List of solar flares for July 31, 2002
The total number of solar flares of class C and higher — 15 flares
C class — 15 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.5 | 22:44 | 23:03 | 23:09 | 0 |
| C2.6 | 21:39 | 21:42 | 21:47 | 44 |
| C2.5 | 21:21 | 21:26 | 21:36 | 50 |
| C3.9 | 19:28 | 19:44 | 19:54 | — |
| C4.7 | 18:28 | 18:55 | 19:12 | — |
| C3.0 | 17:50 | 17:55 | 18:01 | — |
| C2.2 | 17:27 | 17:30 | 17:33 | — |
| C3.3 | 15:18 | 15:22 | 15:25 | — |
| C2.8 | 14:58 | 15:03 | 15:05 | 48 |
| C2.6 | 10:23 | 10:26 | 10:28 | 50 |
| C2.3 | 09:49 | 09:52 | 09:54 | — |
| C2.7 | 07:06 | 07:09 | 07:11 | — |
| C4.2 | 05:57 | 06:17 | 06:30 | 39 |
| C9.6 | 04:50 | 04:58 | 05:06 | — |
| C2.4 | 03:49 | 03:54 | 04:00 | — |