Solar flares on December 31, 2001
The most powerful solar flare in 24 hours
C6.7 (normal) flare - December 31 at 6:45 PM
Solar activity index
Value as of the end of the day on December 31, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 30, 2001 to December 31, 2001
Time zone — UTC+00
List of solar flares for December 31, 2001
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.7 | 18:41 | 18:45 | 18:49 | 9754 |
| C3.7 | 12:34 | 12:38 | 12:40 | — |
| C3.8 | 04:15 | 04:19 | 04:22 | — |