Solar flares on August 17, 2002
The most powerful solar flare in 24 hours
M3.4 (strong) flare - August 17 at 8:51 PM
Solar activity index
Value as of the end of the day on August 17, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 16, 2002 to August 17, 2002
Time zone — UTC+00
List of solar flares for August 17, 2002
The total number of solar flares of class C and higher — 16 flares
C class — 14 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M3.4 | 20:39 | 20:51 | 20:57 | 69 |
| C4.0 | 19:45 | 19:50 | 19:54 | — |
| C3.4 | 19:27 | 19:31 | 19:37 | — |
| C3.0 | 16:39 | 16:43 | 16:48 | — |
| C4.8 | 15:30 | 15:38 | 15:42 | 69 |
| C4.9 | 14:41 | 15:13 | 15:30 | 69 |
| C4.1 | 14:21 | 14:27 | 14:32 | 69 |
| C3.6 | 13:34 | 14:11 | 14:22 | 69 |
| C2.5 | 09:03 | 09:11 | 09:17 | 69 |
| C2.1 | 08:44 | 08:58 | 09:03 | 69 |
| C5.0 | 06:53 | 06:57 | 07:00 | 69 |
| C4.6 | 06:30 | 06:33 | 06:35 | 69 |
| C4.3 | 06:19 | 06:27 | 06:29 | 69 |
| C3.2 | 05:00 | 05:05 | 05:08 | 69 |
| M1.1 | 00:58 | 01:08 | 01:14 | 83 |
| C4.1 | 00:02 | 00:14 | 00:31 | 69 |