Solar flares on March 17, 2002
The most powerful solar flare in 24 hours
M4.0 (strong) flare - March 17 at 12:31 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-07 (Phoenix)
List of solar flares for March 17, 2002
The total number of solar flares of class C and higher — 9 flares
C class — 6 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.0 | 19:16 | 19:31 | 21:00 | — |
| C1.1 | 18:33 | 18:45 | 18:50 | — |
| M4.0 | 12:24 | 12:31 | 12:34 | 9871 |
| C1.1 | 10:10 | 10:14 | 10:16 | — |
| C4.5 | 10:01 | 10:05 | 10:07 | 9871 |
| C1.8 | 08:33 | 08:39 | 08:57 | 9866 |
| C1.3 | 07:33 | 07:39 | 07:45 | 9866 |
| C1.2 | 04:21 | 04:25 | 04:27 | — |
| M1.3 | 03:11 | 03:19 | 03:24 | — |