Solar flares on August 4, 2002
The most powerful solar flare in 24 hours
M6.6 (strong) flare - August 4 at 6:55 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-03 (Halifax) — summer time
List of solar flares for August 4, 2002
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.6 | 18:39 | 18:43 | 18:48 | — |
| C2.1 | 16:01 | 16:05 | 16:22 | — |
| C4.8 | 11:52 | 11:58 | 12:02 | — |
| C6.9 | 11:10 | 11:18 | 11:28 | — |
| M6.6 | 05:58 | 06:55 | 07:33 | — |
| C7.4 | 04:14 | 04:20 | 04:25 | — |
| C3.8 | 01:44 | 01:50 | 01:54 | — |