Solar flares on September 24, 2011
The most powerful solar flare in 24 hours
X1.9 (very strong) flare - September 24 at 12:40 PM
Solar activity index
Value as of the end of the day on September 24, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 23, 2011 to September 24, 2011
Time zone — UTC+03 (Riga)
List of solar flares for September 24, 2011
The total number of solar flares of class C and higher — 14 flares
C class — 5 | M class — 8 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| M5.8 | 23:29 | 23:36 | 23:42 | 1302 |
| M3.0 | 22:09 | 22:21 | 22:41 | 1302 |
| M2.8 | 20:59 | 21:15 | 21:24 | 1302 |
| M3.1 | 20:19 | 20:25 | 20:31 | 1302 |
| M1.7 | 19:36 | 19:59 | 20:15 | 1295 |
| M7.1 | 15:33 | 16:20 | 17:10 | 1302 |
| C2.7 | 14:25 | 14:31 | 14:37 | 1302 |
| X1.9 | 12:21 | 12:40 | 12:48 | 1302 |
| C2.2 | 11:38 | 11:43 | 11:55 | 1295 |
| C3.1 | 10:20 | 10:23 | 10:27 | — |
| C5.9 | 10:01 | 10:04 | 10:08 | 1295 |
| M1.9 | 02:48 | 02:56 | 03:04 | 1302 |
| M1.6 | 00:54 | 01:15 | 01:34 | 1295 |
| C9.6 | 00:29 | 00:43 | 00:48 | 1295 |