Solar flares on March 21, 2002
The most powerful solar flare in 24 hours
C5.9 (normal) flare - March 21 at 5:12 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-03 (Saint john) — summer time
List of solar flares for March 21, 2002
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.2 | 19:56 | 20:04 | 20:18 | — |
| C2.0 | 17:24 | 17:45 | 18:09 | — |
| C1.3 | 15:06 | 15:13 | 15:24 | 9871 |
| C2.6 | 12:23 | 12:34 | 12:52 | — |
| C5.9 | 04:45 | 05:12 | 05:31 | 9866 |