Solar flares on August 4, 2002
The most powerful solar flare in 24 hours
M6.6 (strong) flare - August 4 at 4:55 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-05 (Springfield) — 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 |
|---|---|---|---|---|
| C1.5 | 22:27 | 22:31 | 22:35 | 57 |
| C2.6 | 16:39 | 16:43 | 16:48 | — |
| C2.1 | 14:01 | 14:05 | 14:22 | — |
| C4.8 | 09:52 | 09:58 | 10:02 | — |
| C6.9 | 09:10 | 09:18 | 09:28 | — |
| M6.6 | 03:58 | 04:55 | 05:33 | — |
| C7.4 | 02:14 | 02:20 | 02:25 | — |