Solar flares on December 22, 2001
The most powerful solar flare in 24 hours
C4.9 (normal) flare - December 22 at 8:57 PM
Solar activity index
Value as of the end of the day on December 22, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 21, 2001 to December 22, 2001
Time zone — UTC-07 (Edmonton)
List of solar flares for December 22, 2001
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.9 | 20:44 | 20:57 | 21:18 | 9748 |
| C2.6 | 14:35 | 14:39 | 14:42 | — |
| C2.6 | 08:14 | 08:17 | 08:20 | — |
| C3.0 | 04:52 | 04:55 | 04:59 | — |