Solar flares on January 30, 2002
The most powerful solar flare in 24 hours
C7.4 (normal) flare - January 30 at 4:39 PM
Solar activity index
Value as of the end of the day on January 30, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 29, 2002 to January 30, 2002
Time zone — UTC+00
List of solar flares for January 30, 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 |
|---|---|---|---|---|
| C2.8 | 21:51 | 21:57 | 22:17 | — |
| C3.3 | 17:38 | 17:41 | 17:43 | — |
| C7.4 | 16:37 | 16:39 | 16:40 | — |
| C2.4 | 13:33 | 13:37 | 13:39 | — |
| C3.39 | 11:59 | 12:25 | 12:38 | — |
| C3.6 | 02:31 | 02:40 | 02:51 | 9802 |
| C2.9 | 01:13 | 01:17 | 01:21 | — |