Solar flares on April 22, 2002
The most powerful solar flare in 24 hours
C7.7 (normal) flare - April 22 at 12:19 AM
Solar activity index
Value as of the end of the day on April 22, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 21, 2002 to April 22, 2002
Time zone — UTC+00
List of solar flares for April 22, 2002
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 14:37 | 14:41 | 14:53 | 9914 |
| C2.8 | 11:54 | 12:10 | 12:20 | 9912 |
| C1.3 | 10:04 | 10:10 | 10:15 | 9914 |
| C5.5 | 05:43 | 05:47 | 05:50 | 9916 |
| C2.1 | 04:48 | 05:06 | 05:20 | — |
| C3.5 | 00:56 | 01:07 | 01:20 | 9915 |
| C7.7 | 00:03 | 00:19 | 00:21 | 9906 |