Solar flares on August 4, 2002
The most powerful solar flare in 24 hours
M6.6 (strong) flare - August 4 at 5:55 AM
Solar activity index
Value as of the end of the day on August 4, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 3, 2002 to August 4, 2002
Time zone — UTC-04 (Moosonee) — summer time
List of solar flares for August 4, 2002
The total number of solar flares of class C and higher — 8 flares
C class — 7 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 23:27 | 23:31 | 23:35 | 57 |
| C2.6 | 17:39 | 17:43 | 17:48 | — |
| C2.1 | 15:01 | 15:05 | 15:22 | — |
| C4.8 | 10:52 | 10:58 | 11:02 | — |
| C6.9 | 10:10 | 10:18 | 10:28 | — |
| M6.6 | 04:58 | 05:55 | 06:33 | — |
| C7.4 | 03:14 | 03:20 | 03:25 | — |
| C3.8 | 00:44 | 00:50 | 00:54 | — |