Solar flares on January 28, 2001
The most powerful solar flare in 24 hours
M1.5 (strong) flare - January 28 at 4:00 PM
Solar activity index
Value as of the end of the day on January 28, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 27, 2001 to January 28, 2001
Time zone — UTC+00
List of solar flares for January 28, 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 |
|---|---|---|---|---|
| C2.9 | 18:46 | 18:50 | 18:54 | — |
| M1.5 | 15:40 | 16:00 | 16:24 | 9313 |
| C1.0 | 07:08 | 07:11 | 07:13 | 9321 |
| C1.6 | 04:55 | 05:00 | 05:07 | — |
| C1.4 | 00:19 | 00:29 | 00:35 | 9313 |