Solar flares on October 31, 2013
The most powerful solar flare in 24 hours
M1.9 (strong) flare - October 31 at 3:51 PM
Solar activity index
Value as of the end of the day on October 31, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 30, 2013 to October 31, 2013
Time zone — UTC+02 (Bucharest)
List of solar flares for October 31, 2013
The total number of solar flares of class C and higher — 4 flares
C class — 3 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.8 | 23:33 | 23:40 | 23:49 | 1877 |
| M1.9 | 15:36 | 15:51 | 16:02 | 1877 |
| C1.0 | 08:45 | 08:51 | 08:58 | 1884 |
| C1.0 | 06:45 | 06:58 | 07:20 | 1875 |