Solar flares on March 17, 2002
The most powerful solar flare in 24 hours
M4.0 (strong) flare - March 17 at 7:31 PM
Solar activity index
Value as of the end of the day on March 17, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 16, 2002 to March 17, 2002
Time zone — UTC+00
List of solar flares for March 17, 2002
The total number of solar flares of class C and higher — 11 flares
C class — 9 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M4.0 | 19:24 | 19:31 | 19:34 | 9871 |
| C1.1 | 17:10 | 17:14 | 17:16 | — |
| C4.5 | 17:01 | 17:05 | 17:07 | 9871 |
| C1.8 | 15:33 | 15:39 | 15:57 | 9866 |
| C1.3 | 14:33 | 14:39 | 14:45 | 9866 |
| C1.2 | 11:21 | 11:25 | 11:27 | — |
| M1.3 | 10:11 | 10:19 | 10:24 | — |
| C1.5 | 05:35 | 05:42 | 05:50 | — |
| C3.1 | 04:52 | 04:58 | 05:01 | 9871 |
| C1.9 | 03:47 | 03:52 | 04:00 | — |
| C1.3 | 02:05 | 02:23 | 02:37 | — |