Solar flares on October 1, 2011
The most powerful solar flare in 24 hours
M1.2 (strong) flare - October 1 at 10:59 AM
Solar activity index
Value as of the end of the day on October 1, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 30, 2011 to October 1, 2011
Time zone — UTC+01 (London) — summer time
List of solar flares for October 1, 2011
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 |
|---|---|---|---|---|
| C1.0 | 13:35 | 13:39 | 13:42 | 1302 |
| M1.2 | 09:56 | 10:59 | 11:17 | 1305 |
| C4.1 | 05:44 | 05:50 | 05:53 | 1302 |
| C1.3 | 04:50 | 04:56 | 05:04 | 1305 |