Solar flares on January 13, 2002
The most powerful solar flare in 24 hours
M2.2 (strong) flare - January 13 at 3:46 PM
Solar activity index
Value as of the end of the day on January 13, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 12, 2002 to January 13, 2002
Time zone — UTC-04 (Halifax)
List of solar flares for January 13, 2002
The total number of solar flares of class C and higher — 10 flares
C class — 7 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.7 | 21:52 | 21:56 | 22:03 | 9782 |
| M1.0 | 21:20 | 21:36 | 21:44 | 9775 |
| C3.6 | 19:37 | 19:41 | 19:43 | 9778 |
| M2.2 | 15:35 | 15:46 | 15:49 | 9775 |
| C5.4 | 13:07 | 13:10 | 13:12 | 9775 |
| C8 | 09:36 | 09:38 | 09:41 | 9775 |
| C7.8 | 09:06 | 09:15 | 09:26 | 9775 |
| C3.7 | 03:49 | 03:52 | 03:55 | 9773 |
| C3.5 | 01:34 | 01:38 | 01:42 | 9779 |
| C8 | 23:59 | 00:01 | 00:03 | 9778 |