Solar flares on March 21, 2001
The most powerful solar flare in 24 hours
M1.8 (strong) flare - March 21 at 8:07 AM
Solar activity index
Value as of the end of the day on March 21, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 20, 2001 to March 21, 2001
Time zone — UTC+05:30 (Indore)
List of solar flares for March 21, 2001
The total number of solar flares of class C and higher — 9 flares
C class — 7 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 18:30 | 18:35 | 18:47 | — |
| C9.8 | 16:52 | 16:57 | 17:02 | 9373 |
| C1.9 | 16:15 | 16:18 | 16:25 | — |
| C2.3 | 15:52 | 15:57 | 16:01 | — |
| C5.6 | 12:26 | 12:54 | 13:00 | 9389 |
| M1.8 | 07:58 | 08:07 | 08:12 | 9373 |
| C1.5 | 06:36 | 06:42 | 07:00 | — |
| C8.8 | 04:16 | 04:24 | 04:32 | 9390 |
| M1.5 | 02:26 | 02:34 | 02:42 | 9373 |