Solar flares on January 21, 2000
The most powerful solar flare in 24 hours
C5.1 (normal) flare - January 21 at 2:42 AM
Solar activity index
Value as of the end of the day on January 21, 2000
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 20, 2000 to January 21, 2000
Time zone — UTC-09 (Anchorage)
List of solar flares for January 21, 2000
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 23:46 | 23:58 | 00:08 | — |
| C1.2 | 23:22 | 23:27 | 23:34 | — |
| C2.8 | 09:20 | 09:25 | 09:32 | — |
| C5.1 | 02:33 | 02:42 | 02:52 | 8837 |