Solar flares on November 4, 2001
The most powerful solar flare in 24 hours
X1.0 (very strong) flare - November 4 at 11:20 AM
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-05 (Quebec)
List of solar flares for November 4, 2001
The total number of solar flares of class C and higher — 6 flares
C class — 4 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.7 | 21:47 | 21:50 | 21:53 | 9687 |
| X1.0 | 11:03 | 11:20 | 11:57 | 9684 |
| C5.1 | 10:36 | 10:41 | 10:47 | 9687 |
| C5.5 | 08:44 | 08:52 | 09:00 | 9687 |
| C3.2 | 05:48 | 05:52 | 05:57 | 9687 |
| C8.4 | 01:38 | 01:43 | 01:46 | 9682 |