Solar flares on January 30, 2002
The most powerful solar flare in 24 hours
C7.4 (normal) flare - January 30 at 11:39 AM
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-05 (Jacksonville)
List of solar flares for January 30, 2002
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.8 | 16:51 | 16:57 | 17:17 | — |
| C3.3 | 12:38 | 12:41 | 12:43 | — |
| C7.4 | 11:37 | 11:39 | 11:40 | — |
| C2.4 | 08:33 | 08:37 | 08:39 | — |
| C3.39 | 06:59 | 07:25 | 07:38 | — |