Solar flares on April 18, 2023
The most powerful solar flare in 24 hours
C4.8 (normal) flare - April 18 at 10:29 AM
Solar activity index
Value as of the end of the day on April 18, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 17, 2023 to April 18, 2023
Time zone — UTC-05 (Jackson) — summer time
List of solar flares for April 18, 2023
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 23:20 | 23:30 | 23:38 | 3272 |
| C2.9 | 17:45 | 17:56 | 18:17 | — |
| C1.9 | 14:07 | 14:17 | 14:24 | — |
| C3.2 | 13:00 | 13:13 | 13:27 | 3283 |
| C4.8 | 10:21 | 10:29 | 10:36 | 3280 |
| C2.4 | 09:27 | 09:35 | 09:54 | 3280 |
| C1.9 | 04:27 | 04:33 | 04:37 | 3280 |
| C2.4 | 00:24 | 00:30 | 00:34 | 3280 |