Solar flares on April 18, 2022
The most powerful solar flare in 24 hours
M1.9 (strong) flare - April 18 at 11:24 AM
Solar activity index
Value as of the end of the day on April 18, 2022
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 17, 2022 to April 18, 2022
Time zone — UTC-06 (Cheyenne) — summer time
List of solar flares for April 18, 2022
The total number of solar flares of class C and higher — 12 flares
C class — 8 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.0 | 22:43 | 22:50 | 22:59 | 2993 |
| C3.5 | 22:00 | 22:17 | 22:25 | 2993 |
| C1.5 | 18:32 | 18:40 | 18:45 | — |
| C3.1 | 16:24 | 16:32 | 16:40 | 2987 |
| C7.3 | 14:05 | 14:15 | 14:30 | 2993 |
| C3.0 | 13:47 | 13:55 | 14:02 | — |
| M1.9 | 11:12 | 11:24 | 11:31 | 2987 |
| C3.9 | 08:10 | 08:24 | 08:45 | 2993 |
| C2.0 | 07:09 | 07:25 | 07:38 | — |
| M1.1 | 04:04 | 04:27 | 04:49 | 2993 |
| C2.5 | 03:10 | 03:14 | 03:18 | 2993 |
| M1.3 | 01:37 | 01:48 | 01:54 | 2993 |