Solar flares on March 17, 2003
The most powerful solar flare in 24 hours
X1.5 (very strong) flare - March 17 at 7:05 PM
Solar activity index
Value as of the end of the day on March 17, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 16, 2003 to March 17, 2003
Time zone — UTC+00 (London)
List of solar flares for March 17, 2003
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 23:52 | 23:56 | 00:00 | 314 |
| C6.9 | 20:14 | 20:21 | 20:28 | — |
| X1.5 | 18:50 | 19:05 | 19:16 | 314 |
| C7.7 | 16:35 | 16:50 | 17:01 | 314 |
| C2.1 | 15:18 | 15:51 | 16:10 | — |
| C1.8 | 01:50 | 01:55 | 01:58 | — |
| C3.1 | 00:55 | 01:03 | 01:17 | — |