Solar flares on August 19, 2002
The most powerful solar flare in 24 hours
M5.0 (strong) flare - August 19 at 6:40 PM
Solar activity index
Value as of the end of the day on August 19, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 18, 2002 to August 19, 2002
Time zone — UTC-07 (Phoenix)
List of solar flares for August 19, 2002
The total number of solar flares of class C and higher — 15 flares
C class — 11 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.7 | 23:17 | 23:20 | 23:23 | 79 |
| C4.0 | 22:11 | 22:15 | 22:18 | 69 |
| C2.6 | 20:34 | 20:43 | 20:48 | 69 |
| M1.4 | 19:53 | 19:57 | 20:01 | 69 |
| C5.5 | 19:08 | 19:14 | 19:25 | 69 |
| M5.0 | 18:33 | 18:40 | 18:43 | 69 |
| C7.0 | 15:59 | 16:02 | 16:05 | — |
| M3.1 | 13:56 | 14:02 | 14:06 | 69 |
| C2.4 | 13:38 | 13:41 | 13:45 | — |
| C3.6 | 10:10 | 10:41 | 11:22 | — |
| C9.5 | 07:27 | 07:46 | 07:59 | 69 |
| C3.5 | 05:57 | 06:01 | 06:03 | 69 |
| C1.9 | 04:21 | 04:24 | 04:28 | 69 |
| M2.0 | 03:28 | 03:34 | 03:38 | 69 |
| C2.3 | 00:47 | 01:07 | 01:20 | 79 |