Solar flares on April 16, 2001
The most powerful solar flare in 24 hours
M1.1 (strong) flare - April 16 at 3:52 AM
Solar activity index
Value as of the end of the day on April 16, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 15, 2001 to April 16, 2001
Time zone — UTC-02:30 (Saint john's) — summer time
List of solar flares for April 16, 2001
The total number of solar flares of class C and higher — 5 flares
C class — 4 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 11:05 | 11:27 | 11:40 | — |
| C2.9 | 08:40 | 08:54 | 09:11 | — |
| C1.0 | 07:37 | 07:41 | 07:50 | — |
| C3.7 | 04:26 | 04:36 | 04:42 | 9415 |
| M1.1 | 03:46 | 03:52 | 03:55 | — |