Solar flares on December 22, 2001
The most powerful solar flare in 24 hours
C4.9 (normal) flare - December 22 at 6:57 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-09 (Anchorage)
List of solar flares for December 22, 2001
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.1 | 23:11 | 23:16 | 23:21 | 9748 |
| C4.9 | 18:44 | 18:57 | 19:18 | 9748 |
| C2.6 | 12:35 | 12:39 | 12:42 | — |
| C2.6 | 06:14 | 06:17 | 06:20 | — |
| C3.0 | 02:52 | 02:55 | 02:59 | — |