Solar flares on October 2, 2011
The most powerful solar flare in 24 hours
M3.9 (strong) flare - October 2 at 12:50 AM
Solar activity index
Value as of the end of the day on October 2, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 1, 2011 to October 2, 2011
Time zone — UTC+00 (Reykjavik)
List of solar flares for October 2, 2011
The total number of solar flares of class C and higher — 8 flares
C class — 6 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C7.6 | 21:20 | 21:49 | 22:05 | 1305 |
| M1.3 | 17:19 | 17:23 | 17:26 | 1302 |
| C1.3 | 16:50 | 16:55 | 17:00 | 1302 |
| C2.6 | 15:07 | 15:11 | 15:14 | 1302 |
| C1.0 | 08:16 | 08:23 | 08:32 | — |
| C2.4 | 06:26 | 06:34 | 06:46 | 1302 |
| C1.5 | 03:10 | 03:49 | 04:13 | 1302 |
| M3.9 | 00:37 | 00:50 | 00:59 | 1305 |