Solar flares on August 19, 2002
The most powerful solar flare in 24 hours
M5.0 (strong) flare - August 19 at 11:10 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-02:30 (Saint john's) — summer time
List of solar flares for August 19, 2002
The total number of solar flares of class C and higher — 14 flares
C class — 11 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.5 | 23:38 | 23:44 | 23:55 | 69 |
| M5.0 | 23:03 | 23:10 | 23:13 | 69 |
| C7.0 | 20:29 | 20:32 | 20:35 | — |
| M3.1 | 18:26 | 18:32 | 18:36 | 69 |
| C2.4 | 18:08 | 18:11 | 18:15 | — |
| C3.6 | 14:40 | 15:11 | 15:52 | — |
| C9.5 | 11:57 | 12:16 | 12:29 | 69 |
| C3.5 | 10:27 | 10:31 | 10:33 | 69 |
| C1.9 | 08:51 | 08:54 | 08:58 | 69 |
| M2.0 | 07:58 | 08:04 | 08:08 | 69 |
| C2.3 | 05:17 | 05:37 | 05:50 | 79 |
| C2.4 | 04:00 | 04:04 | 04:07 | 0 |
| C2.6 | 02:12 | 02:16 | 02:22 | — |
| C2.6 | 01:16 | 01:31 | 01:46 | 69 |