Solar flares on July 4, 2002
The most powerful solar flare in 24 hours
M1.1 (strong) flare - July 4 at 9:34 AM
Solar activity index
Value as of the end of the day on July 4, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 3, 2002 to July 4, 2002
Time zone — UTC+02 (Bern) — summer time
List of solar flares for July 4, 2002
The total number of solar flares of class C and higher — 18 flares
C class — 17 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.3 | 20:34 | 20:50 | 21:00 | 17 |
| C2.4 | 19:41 | 19:46 | 19:56 | 19 |
| C3.4 | 18:21 | 18:30 | 18:38 | 19 |
| C2.2 | 18:07 | 18:10 | 18:12 | 17 |
| C7.1 | 16:50 | 16:57 | 17:03 | 17 |
| C3.0 | 15:26 | 15:34 | 15:50 | 17 |
| C2.3 | 14:22 | 14:42 | 14:53 | — |
| C1.6 | 13:51 | 13:54 | 13:56 | — |
| C2.6 | 12:45 | 12:53 | 13:11 | 17 |
| C2.4 | 12:08 | 12:13 | 12:17 | 17 |
| M1.1 | 09:27 | 09:34 | 09:39 | 17 |
| C6.5 | 08:22 | 08:27 | 08:30 | — |
| C2.8 | 08:14 | 08:19 | 08:22 | 17 |
| C4.5 | 06:35 | 07:01 | 07:08 | 19 |
| C1.5 | 04:46 | 04:49 | 04:53 | — |
| C4.7 | 03:24 | 03:29 | 03:34 | 17 |
| C2.8 | 02:36 | 02:39 | 02:42 | 17 |
| C7.9 | 01:18 | 01:25 | 01:32 | 17 |