Solar flares on November 21, 2001
The most powerful solar flare in 24 hours
C6.3 (normal) flare - November 21 at 7:18 PM
Solar activity index
Value as of the end of the day on November 21, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 20, 2001 to November 21, 2001
Time zone — UTC+01 (Brussels)
List of solar flares for November 21, 2001
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 21:35 | 21:40 | 21:48 | — |
| C6.3 | 19:05 | 19:18 | 19:24 | 9704 |
| C2.8 | 18:48 | 18:52 | 18:58 | 9704 |
| C4.7 | 13:07 | 15:58 | 17:50 | 9704 |
| C4.4 | 12:00 | 12:10 | 12:19 | 9704 |
| C1.8 | 11:05 | 11:08 | 11:13 | 9704 |
| C1.4 | 10:47 | 10:51 | 10:54 | 9704 |
| C2.7 | 09:50 | 10:00 | 10:04 | — |
| C3.7 | 09:27 | 09:33 | 09:39 | 9704 |
| C3.5 | 08:29 | 08:34 | 08:47 | — |
| C2.4 | 05:10 | 05:28 | 05:49 | 9704 |
| C1.6 | 02:25 | 02:27 | 02:31 | 9704 |