Solar flares on September 11, 2011
The most powerful solar flare in 24 hours
C2.0 (normal) flare - September 11 at 6:29 PM
Solar activity index
Value as of the end of the day on September 11, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 10, 2011 to September 11, 2011
Time zone — UTC-09 (Honolulu) — summer time
List of solar flares for September 11, 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 |
|---|---|---|---|---|
| C2.0 | 18:24 | 18:29 | 18:33 | 1292 |
| C1.7 | 17:22 | 17:26 | 17:30 | 1292 |
| C1.1 | 12:19 | 12:25 | 12:35 | 1283 |
| C1.7 | 10:45 | 10:49 | 10:52 | 1283 |
| C1.9 | 04:18 | 04:26 | 04:36 | 1283 |