Solar flares on March 19, 2003
The most powerful solar flare in 24 hours
M3.7 (strong) flare - March 19 at 9:53 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+00
List of solar flares for March 19, 2003
The total number of solar flares of class C and higher — 21 flares
C class — 17 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.0 | 23:10 | 23:15 | 23:19 | 314 |
| C3.5 | 21:55 | 22:00 | 22:02 | 314 |
| C2.2 | 21:22 | 21:28 | 21:32 | 314 |
| C1.8 | 21:00 | 21:04 | 21:07 | 314 |
| C1.3 | 20:39 | 20:51 | 20:55 | — |
| C6.3 | 18:45 | 18:54 | 19:04 | 314 |
| C1.3 | 18:02 | 18:21 | 18:34 | 314 |
| C1.9 | 17:07 | 17:11 | 17:14 | — |
| C3.2 | 16:32 | 16:48 | 16:58 | 314 |
| C1.1 | 16:06 | 16:10 | 16:13 | — |
| M1.4 | 13:25 | 13:32 | 13:38 | 314 |
| C1.0 | 13:05 | 13:09 | 13:11 | — |
| C5.8 | 11:20 | 11:25 | 11:29 | 314 |
| M3.7 | 09:34 | 09:53 | 10:00 | 314 |
| M1.6 | 06:36 | 06:46 | 06:49 | 314 |
| M1.5 | 02:58 | 03:07 | 04:21 | — |
| C3.4 | 02:30 | 02:44 | 02:51 | — |
| C1.7 | 02:10 | 02:15 | 02:23 | 314 |
| C1.5 | 01:35 | 01:50 | 02:06 | 314 |
| C6.2 | 00:13 | 00:18 | 00:23 | — |
| C5.3 | 23:51 | 00:02 | 00:08 | — |