Solar flares on October 30, 2011
The most powerful solar flare in 24 hours
C2.4 (normal) flare - October 30 at 12:39 PM
Solar activity index
Value as of the end of the day on October 30, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 29, 2011 to October 30, 2011
Time zone — UTC+03 (Murmansk)
List of solar flares for October 30, 2011
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 |
|---|---|---|---|---|
| C1.5 | 23:44 | 23:52 | 00:02 | 1334 |
| C1.9 | 20:09 | 20:12 | 20:15 | 1330 |
| C1.5 | 17:44 | 17:49 | 17:57 | 1334 |
| C2.1 | 13:06 | 13:10 | 13:13 | 1334 |
| C2.4 | 12:24 | 12:39 | 12:54 | 1330 |