Solar flares on March 18, 2000
The most powerful solar flare in 24 hours
M3.9 (strong) flare - March 18 at 11:57 PM
Solar activity index
Value as of the end of the day on March 18, 2000
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 17, 2000 to March 18, 2000
Time zone — UTC+00
List of solar flares for March 18, 2000
The total number of solar flares of class C and higher — 8 flares
C class — 5 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M3.9 | 23:53 | 23:57 | 00:19 | 8906 |
| M2.6 | 23:13 | 23:33 | 23:53 | 8910 |
| C4.5 | 21:50 | 21:54 | 22:21 | 8909 |
| M2.1 | 20:47 | 21:02 | 21:16 | — |
| C3.0 | 09:18 | 09:33 | 09:43 | — |
| C2.7 | 08:43 | 08:53 | 09:08 | — |
| C3.1 | 03:52 | 04:06 | 04:12 | — |
| C6.1 | 23:25 | 00:11 | 01:15 | 8906 |