Solar flares on November 4, 2001
The most powerful solar flare in 24 hours
X1.0 (very strong) flare - November 4 at 4:20 PM
Solar activity index
Value as of the end of the day on November 4, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 3, 2001 to November 4, 2001
Time zone — UTC+00
List of solar flares for November 4, 2001
The total number of solar flares of class C and higher — 6 flares
C class — 5 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| X1.0 | 16:03 | 16:20 | 16:57 | 9684 |
| C5.1 | 15:36 | 15:41 | 15:47 | 9687 |
| C5.5 | 13:44 | 13:52 | 14:00 | 9687 |
| C3.2 | 10:48 | 10:52 | 10:57 | 9687 |
| C8.4 | 06:38 | 06:43 | 06:46 | 9682 |
| C2.7 | 00:30 | 00:33 | 00:36 | — |