Solar flares on January 18, 2000
The most powerful solar flare in 24 hours
M3.9 (strong) flare - January 18 at 5:27 PM
Solar activity index
Value as of the end of the day on January 18, 2000
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 17, 2000 to January 18, 2000
Time zone — UTC+00 (Dublin)
List of solar flares for January 18, 2000
The total number of solar flares of class C and higher — 6 flares
C class — 4 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.3 | 22:02 | 22:08 | 22:10 | — |
| M3.9 | 17:07 | 17:27 | 17:44 | 8831 |
| M1.2 | 09:36 | 10:08 | 10:48 | 8824 |
| C1.7 | 08:26 | 08:39 | 09:08 | — |
| C2.1 | 08:14 | 08:19 | 08:23 | 8830 |
| C2.2 | 02:18 | 02:27 | 02:39 | — |