Solar flares on August 20, 2002
The most powerful solar flare in 24 hours
M5.0 (strong) flare - August 20 at 7:10 AM
Solar activity index
Value as of the end of the day on August 20, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 19, 2002 to August 20, 2002
Time zone — UTC+05:30 (Thane)
List of solar flares for August 20, 2002
The total number of solar flares of class C and higher — 20 flares
C class — 16 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.3 | 23:51 | 23:58 | 00:08 | 69 |
| C9.9 | 23:04 | 23:25 | 23:30 | 69 |
| C5.2 | 22:25 | 22:36 | 22:41 | 69 |
| C3.3 | 22:04 | 22:10 | 22:17 | 85 |
| C3.0 | 21:17 | 21:22 | 21:25 | 81 |
| C5.4 | 19:59 | 20:07 | 20:16 | 83 |
| C3.3 | 15:56 | 16:01 | 16:04 | 79 |
| C2.0 | 15:33 | 15:36 | 15:41 | 79 |
| C2.6 | 15:14 | 15:17 | 15:20 | 79 |
| C1.9 | 15:03 | 15:06 | 15:08 | — |
| M3.4 | 13:52 | 13:56 | 14:00 | 69 |
| C2.7 | 11:47 | 11:50 | 11:53 | 79 |
| C4.0 | 10:41 | 10:45 | 10:48 | 69 |
| C2.6 | 09:04 | 09:13 | 09:18 | 69 |
| M1.4 | 08:23 | 08:27 | 08:31 | 69 |
| C5.5 | 07:38 | 07:44 | 07:55 | 69 |
| M5.0 | 07:03 | 07:10 | 07:13 | 69 |
| C7.0 | 04:29 | 04:32 | 04:35 | — |
| M3.1 | 02:26 | 02:32 | 02:36 | 69 |
| C2.4 | 02:08 | 02:11 | 02:15 | — |