Solar flares on May 18, 2000
The most powerful solar flare in 24 hours
M2.7 (strong) flare - May 18 at 12:57 PM
Solar activity index
Value as of the end of the day on May 18, 2000
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 17, 2000 to May 18, 2000
Time zone — UTC-03 (Saint john) — summer time
List of solar flares for May 18, 2000
The total number of solar flares of class C and higher — 12 flares
C class — 10 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.1 | 21:52 | 21:58 | 22:05 | — |
| C7.5 | 20:46 | 21:04 | 21:13 | 9002 |
| C3.5 | 19:00 | 19:03 | 19:10 | 8998 |
| C3.4 | 14:12 | 14:19 | 14:27 | 9002 |
| M2.7 | 12:52 | 12:57 | 12:59 | 9002 |
| C4.0 | 11:24 | 11:29 | 11:36 | 8998 |
| C4.2 | 10:19 | 10:22 | 10:25 | 9002 |
| C6.8 | 08:10 | 08:22 | 08:30 | 9002 |
| C6.2 | 06:57 | 07:05 | 07:12 | 8998 |
| C5.0 | 04:49 | 04:53 | 04:56 | 9002 |
| C2.7 | 02:45 | 02:48 | 02:51 | 9002 |
| C2.6 | 02:17 | 02:29 | 02:34 | 9002 |