Solar flares on April 2, 2001
The most powerful solar flare in 24 hours
X20 (very strong) flare - April 2 at 9:51 PM
Solar activity index
Value as of the end of the day on April 2, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 1, 2001 to April 2, 2001
Time zone — UTC+00
List of solar flares for April 2, 2001
The total number of solar flares of class C and higher — 10 flares
C class — 2 | M class — 5 | X class — 3
| Class | begin | max | end | region |
|---|---|---|---|---|
| X20 | 21:32 | 21:51 | 22:03 | 9393 |
| M2.1 | 18:08 | 18:50 | 19:20 | 9393 |
| X1.1 | 10:58 | 11:36 | 12:05 | — |
| X1.4 | 10:04 | 10:14 | 10:20 | 9393 |
| M1.9 | 09:45 | 09:52 | 09:59 | 9393 |
| C8.5 | 09:19 | 09:31 | 09:37 | 9393 |
| M1.0 | 05:25 | 05:28 | 05:32 | 9393 |
| C5.5 | 04:03 | 04:08 | 04:11 | 9393 |
| M3.2 | 00:14 | 00:28 | 00:40 | 9393 |
| M1.0 | 23:48 | 00:03 | 00:07 | — |