Solar flares on December 15, 2001
The most powerful solar flare in 24 hours
M1.5 (strong) flare - December 15 at 5:24 PM
Solar activity index
Value as of the end of the day on December 15, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 14, 2001 to December 15, 2001
Time zone — UTC-08 (Kamloops)
List of solar flares for December 15, 2001
The total number of solar flares of class C and higher — 11 flares
C class — 9 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C8.5 | 23:33 | 23:43 | 23:57 | 9733 |
| M1.0 | 19:09 | 19:28 | 19:48 | 9733 |
| M1.5 | 17:14 | 17:24 | 17:29 | 9733 |
| C3.5 | 15:11 | 15:15 | 15:18 | 9733 |
| C3.3 | 13:24 | 13:29 | 13:32 | — |
| C3.3 | 11:50 | 11:53 | 11:58 | — |
| C2.9 | 10:21 | 10:24 | 10:26 | 9733 |
| C4.3 | 09:28 | 09:33 | 09:35 | 9733 |
| C5.0 | 08:56 | 08:59 | 09:01 | — |
| C9.4 | 04:39 | 04:53 | 05:03 | — |
| C4.9 | 02:05 | 02:10 | 02:19 | 9733 |