Solar flares on March 20, 2001
The most powerful solar flare in 24 hours
M1.8 (strong) flare - March 20 at 9:37 PM
Solar activity index
Value as of the end of the day on March 20, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 19, 2001 to March 20, 2001
Time zone — UTC-05 (Springfield) — summer time
List of solar flares for March 20, 2001
The total number of solar flares of class C and higher — 10 flares
C class — 6 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.8 | 21:28 | 21:37 | 21:42 | 9373 |
| C1.5 | 20:06 | 20:12 | 20:30 | — |
| C8.8 | 17:46 | 17:54 | 18:02 | 9390 |
| M1.5 | 15:56 | 16:04 | 16:12 | 9373 |
| M1.6 | 09:57 | 10:07 | 10:14 | 9373 |
| M1.1 | 09:19 | 09:24 | 09:38 | 9390 |
| C1.7 | 07:20 | 07:24 | 07:43 | — |
| C2.1 | 04:38 | 05:00 | 05:55 | — |
| C1.9 | 00:50 | 00:54 | 01:01 | — |
| C2.4 | 00:30 | 00:39 | 00:46 | — |