Solar flares on March 21, 2002
The most powerful solar flare in 24 hours
C5.9 (normal) flare - March 21 at 8:12 AM
Solar activity index
Value as of the end of the day on March 21, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 20, 2002 to March 21, 2002
Time zone — UTC+00
List of solar flares for March 21, 2002
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.2 | 22:56 | 23:04 | 23:18 | — |
| C2.0 | 20:24 | 20:45 | 21:09 | — |
| C1.3 | 18:06 | 18:13 | 18:24 | 9871 |
| C2.6 | 15:23 | 15:34 | 15:52 | — |
| C5.9 | 07:45 | 08:12 | 08:31 | 9866 |
| C2.8 | 02:15 | 02:30 | 02:43 | — |
| C3.0 | 01:31 | 01:39 | 01:45 | 9873 |
| C5.7 | 23:46 | 00:23 | 00:46 | 9870 |