Solar flares on July 4, 2002
The most powerful solar flare in 24 hours
M1.1 (strong) flare - July 4 at 12:34 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-07 (Phoenix)
List of solar flares for July 4, 2002
The total number of solar flares of class C and higher — 13 flares
C class — 12 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 19:05 | 19:20 | 19:39 | — |
| C1.4 | 15:11 | 15:18 | 15:23 | — |
| C5.3 | 11:34 | 11:50 | 12:00 | 17 |
| C2.4 | 10:41 | 10:46 | 10:56 | 19 |
| C3.4 | 09:21 | 09:30 | 09:38 | 19 |
| C2.2 | 09:07 | 09:10 | 09:12 | 17 |
| C7.1 | 07:50 | 07:57 | 08:03 | 17 |
| C3.0 | 06:26 | 06:34 | 06:50 | 17 |
| C2.3 | 05:22 | 05:42 | 05:53 | — |
| C1.6 | 04:51 | 04:54 | 04:56 | — |
| C2.6 | 03:45 | 03:53 | 04:11 | 17 |
| C2.4 | 03:08 | 03:13 | 03:17 | 17 |
| M1.1 | 00:27 | 00:34 | 00:39 | 17 |