Solar flares on March 21, 2002
The most powerful solar flare in 24 hours
C5.9 (normal) flare - March 21 at 3:12 PM
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+07 (Barnaul)
List of solar flares for March 21, 2002
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.6 | 22:23 | 22:34 | 22:52 | — |
| C5.9 | 14:45 | 15:12 | 15:31 | 9866 |
| C2.8 | 09:15 | 09:30 | 09:43 | — |
| C3.0 | 08:31 | 08:39 | 08:45 | 9873 |
| C5.7 | 06:46 | 07:23 | 07:46 | 9870 |
| C2.4 | 04:17 | 04:20 | 04:24 | — |
| C4.0 | 22:44 | 01:08 | 02:19 | 9866 |