Solar flares on August 17, 2002
The most powerful solar flare in 24 hours
M3.4 (strong) flare - August 17 at 4:51 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-04 (Providence) — summer time
List of solar flares for August 17, 2002
The total number of solar flares of class C and higher — 17 flares
C class — 16 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C8.4 | 23:28 | 23:34 | 23:37 | 69 |
| C3.2 | 21:43 | 21:49 | 21:57 | 69 |
| C3.3 | 20:03 | 20:08 | 20:11 | 69 |
| M3.4 | 16:39 | 16:51 | 16:57 | 69 |
| C4.0 | 15:45 | 15:50 | 15:54 | — |
| C3.4 | 15:27 | 15:31 | 15:37 | — |
| C3.0 | 12:39 | 12:43 | 12:48 | — |
| C4.8 | 11:30 | 11:38 | 11:42 | 69 |
| C4.9 | 10:41 | 11:13 | 11:30 | 69 |
| C4.1 | 10:21 | 10:27 | 10:32 | 69 |
| C3.6 | 09:34 | 10:11 | 10:22 | 69 |
| C2.5 | 05:03 | 05:11 | 05:17 | 69 |
| C2.1 | 04:44 | 04:58 | 05:03 | 69 |
| C5.0 | 02:53 | 02:57 | 03:00 | 69 |
| C4.6 | 02:30 | 02:33 | 02:35 | 69 |
| C4.3 | 02:19 | 02:27 | 02:29 | 69 |
| C3.2 | 01:00 | 01:05 | 01:08 | 69 |