Solar flares on April 23, 2001
The most powerful solar flare in 24 hours
M3.2 (strong) flare - April 23 at 12:44 AM
Solar activity index
Value as of the end of the day on April 23, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 22, 2001 to April 23, 2001
Time zone — UTC+04 (Samara)
List of solar flares for April 23, 2001
The total number of solar flares of class C and higher — 10 flares
C class — 8 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.8 | 16:06 | 16:23 | 16:36 | 9431 |
| C9.1 | 14:06 | 14:18 | 14:23 | 9433 |
| C2.2 | 10:16 | 10:52 | 11:41 | — |
| C4.1 | 08:37 | 08:52 | 09:00 | 9433 |
| C1.3 | 07:29 | 07:33 | 07:47 | — |
| M1.0 | 05:19 | 05:28 | 05:37 | 9433 |
| C3.8 | 02:36 | 02:41 | 02:45 | 9433 |
| C3.5 | 01:44 | 02:05 | 02:17 | 9433 |
| C1.7 | 01:33 | 01:37 | 01:43 | 9433 |
| M3.2 | 00:37 | 00:44 | 00:47 | 9433 |