Solar flares on March 19, 2003
The most powerful solar flare in 24 hours
M3.7 (strong) flare - March 19 at 12:53 AM
Solar activity index
Value as of the end of the day on March 19, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 18, 2003 to March 19, 2003
Time zone — UTC-09 (Honolulu) — summer time
List of solar flares for March 19, 2003
The total number of solar flares of class C and higher — 15 flares
C class — 13 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C9.2 | 17:21 | 17:31 | 17:34 | 314 |
| C2.0 | 14:10 | 14:15 | 14:19 | 314 |
| C3.5 | 12:55 | 13:00 | 13:02 | 314 |
| C2.2 | 12:22 | 12:28 | 12:32 | 314 |
| C1.8 | 12:00 | 12:04 | 12:07 | 314 |
| C1.3 | 11:39 | 11:51 | 11:55 | — |
| C6.3 | 09:45 | 09:54 | 10:04 | 314 |
| C1.3 | 09:02 | 09:21 | 09:34 | 314 |
| C1.9 | 08:07 | 08:11 | 08:14 | — |
| C3.2 | 07:32 | 07:48 | 07:58 | 314 |
| C1.1 | 07:06 | 07:10 | 07:13 | — |
| M1.4 | 04:25 | 04:32 | 04:38 | 314 |
| C1.0 | 04:05 | 04:09 | 04:11 | — |
| C5.8 | 02:20 | 02:25 | 02:29 | 314 |
| M3.7 | 00:34 | 00:53 | 01:00 | 314 |