Solar flares on January 31, 2002
The most powerful solar flare in 24 hours
M3.6 (strong) flare - January 31 at 2:44 PM
Solar activity index
Value as of the end of the day on January 31, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 30, 2002 to January 31, 2002
Time zone — UTC+00
List of solar flares for January 31, 2002
The total number of solar flares of class C and higher — 6 flares
C class — 5 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.9 | 16:40 | 16:47 | 16:55 | 9800 |
| C4.6 | 15:20 | 15:25 | 15:37 | 9802 |
| M3.6 | 14:36 | 14:44 | 14:50 | — |
| C4.3 | 14:20 | 14:25 | 14:35 | 9800 |
| C2.2 | 11:53 | 12:04 | 12:29 | 9798 |
| C3.3 | 10:07 | 10:12 | 10:17 | 9802 |