Solar flares on August 5, 2001
The most powerful solar flare in 24 hours
M4.9 (strong) flare - August 5 at 11:24 PM
Solar activity index
Value as of the end of the day on August 5, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 4, 2001 to August 5, 2001
Time zone — UTC+01 (Dublin) — summer time
List of solar flares for August 5, 2001
The total number of solar flares of class C and higher — 21 flares
C class — 19 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M4.9 | 23:16 | 23:24 | 23:29 | 9557 |
| C7.1 | 22:16 | 22:24 | 22:33 | 9567 |
| C1.2 | 21:46 | 21:52 | 21:57 | 9566 |
| C1.6 | 20:48 | 20:53 | 21:00 | 9566 |
| C3.3 | 19:25 | 19:30 | 19:33 | 9557 |
| C1.1 | 17:11 | 17:14 | 17:16 | — |
| M1.7 | 16:22 | 16:31 | 16:36 | 9557 |
| C3.5 | 16:00 | 16:04 | 16:07 | 9557 |
| C2.0 | 15:22 | 15:41 | 15:45 | 9557 |
| C2.2 | 14:20 | 14:25 | 14:29 | 9557 |
| C4.1 | 13:49 | 13:54 | 13:58 | 9566 |
| C1.2 | 13:00 | 13:03 | 13:07 | — |
| C2.4 | 11:39 | 11:47 | 11:54 | — |
| C1.5 | 10:48 | 10:53 | 10:57 | 9566 |
| C1.0 | 06:46 | 06:48 | 06:51 | 9567 |
| C1.0 | 06:12 | 06:15 | 06:17 | 9563 |
| C2.3 | 05:02 | 05:07 | 05:14 | 9567 |
| C1.2 | 04:38 | 04:42 | 04:49 | 9563 |
| C1.1 | 02:12 | 02:14 | 02:17 | 9566 |
| C1.4 | 01:46 | 01:52 | 02:05 | 9557 |
| C1.2 | 00:48 | 00:53 | 00:56 | 9563 |