Solar flares on April 22, 2002
The most powerful solar flare in 24 hours
C7.7 (normal) flare - April 22 at 2:19 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+02 (Berlin) — summer time
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 | 16:37 | 16:41 | 16:53 | 9914 |
| C2.8 | 13:54 | 14:10 | 14:20 | 9912 |
| C1.3 | 12:04 | 12:10 | 12:15 | 9914 |
| C5.5 | 07:43 | 07:47 | 07:50 | 9916 |
| C2.1 | 06:48 | 07:06 | 07:20 | — |
| C3.5 | 02:56 | 03:07 | 03:20 | 9915 |
| C7.7 | 02:03 | 02:19 | 02:21 | 9906 |