Solar flares on January 4, 2002
The most powerful solar flare in 24 hours
M1.0 (strong) flare - January 4 at 11:49 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-06 (Springfield)
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 |
|---|---|---|---|---|
| C4.1 | 21:04 | 21:10 | 21:15 | 9768 |
| C3.1 | 18:57 | 19:00 | 19:03 | 9767 |
| C7.2 | 16:53 | 16:56 | 16:58 | 9767 |
| C8.7 | 13:51 | 14:23 | 15:04 | 9773 |
| C5.6 | 12:25 | 12:29 | 12:34 | 9773 |
| M1.0 | 11:43 | 11:49 | 11:54 | — |
| C3.7 | 03:24 | 03:52 | 04:35 | — |
| C3.6 | 02:17 | 02:23 | 02:30 | — |