Solar flares on April 22, 2001
The most powerful solar flare in 24 hours
M3.2 (strong) flare - April 22 at 11:44 PM
Solar activity index
Value as of the end of the day on April 22, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 21, 2001 to April 22, 2001
Time zone — UTC+03 (Simferopol)
List of solar flares for April 22, 2001
The total number of solar flares of class C and higher — 13 flares
C class — 12 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M3.2 | 23:37 | 23:44 | 23:47 | 9433 |
| C2.2 | 20:02 | 20:07 | 20:13 | 9433 |
| C2.1 | 18:08 | 18:12 | 18:14 | — |
| C1.1 | 13:50 | 13:54 | 13:57 | — |
| C4.0 | 13:11 | 13:18 | 13:27 | — |
| C1.8 | 11:40 | 11:46 | 11:50 | — |
| C1.9 | 11:27 | 11:30 | 11:33 | — |
| C3.7 | 11:09 | 11:13 | 11:18 | 9433 |
| C2.8 | 08:11 | 08:20 | 08:22 | 9433 |
| C1.7 | 04:45 | 04:48 | 04:51 | 9433 |
| C1.8 | 04:29 | 04:33 | 04:41 | 9433 |
| C3.6 | 01:33 | 01:46 | 01:55 | 9433 |
| C3.3 | 01:03 | 01:07 | 01:11 | 9433 |