Solar flares on January 4, 2002
The most powerful solar flare in 24 hours
M1.0 (strong) flare - January 4 at 8:49 AM
Solar activity index
Value as of the end of the day on January 4, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 3, 2002 to January 4, 2002
Time zone — UTC-09 (Dillingham)
List of solar flares for January 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 |
|---|---|---|---|---|
| C8.0 | 20:59 | 21:31 | 21:47 | 9773 |
| C4.1 | 18:04 | 18:10 | 18:15 | 9768 |
| C3.1 | 15:57 | 16:00 | 16:03 | 9767 |
| C7.2 | 13:53 | 13:56 | 13:58 | 9767 |
| C8.7 | 10:51 | 11:23 | 12:04 | 9773 |
| C5.6 | 09:25 | 09:29 | 09:34 | 9773 |
| M1.0 | 08:43 | 08:49 | 08:54 | — |
| C3.7 | 00:24 | 00:52 | 01:35 | — |