Solar flares on August 11, 2001
The most powerful solar flare in 24 hours
C5.2 (normal) flare - August 11 at 1:21 AM
Solar activity index
Value as of the end of the day on August 11, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 10, 2001 to August 11, 2001
Time zone — UTC+00
List of solar flares for August 11, 2001
The total number of solar flares of class C and higher — 13 flares
C class — 13 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.2 | 21:22 | 21:28 | 21:32 | — |
| C1.3 | 12:23 | 12:27 | 12:33 | — |
| C1.2 | 11:35 | 11:49 | 12:00 | 9563 |
| C1.1 | 10:04 | 10:09 | 10:13 | — |
| C1.0 | 09:49 | 09:54 | 09:58 | — |
| C1.7 | 08:58 | 09:04 | 09:08 | — |
| C2.8 | 04:17 | 06:40 | 08:09 | — |
| C1.0 | 03:52 | 03:56 | 04:01 | 9566 |
| C2.9 | 01:35 | 01:38 | 01:43 | — |
| C5.2 | 01:14 | 01:21 | 01:28 | — |
| C1.8 | 00:49 | 00:54 | 00:58 | 9566 |
| C1.6 | 00:39 | 00:43 | 00:47 | 9566 |
| C1.8 | 23:47 | 00:00 | 00:05 | — |