Solar flares on April 18, 2023
The most powerful solar flare in 24 hours
C4.8 (normal) flare - April 18 at 3:29 PM
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+00
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 |
|---|---|---|---|---|
| C2.9 | 22:45 | 22:56 | 23:17 | — |
| C1.9 | 19:07 | 19:17 | 19:24 | — |
| C3.2 | 18:00 | 18:13 | 18:27 | 3283 |
| C4.8 | 15:21 | 15:29 | 15:36 | 3280 |
| C2.4 | 14:27 | 14:35 | 14:54 | 3280 |
| C1.9 | 09:27 | 09:33 | 09:37 | 3280 |
| C2.4 | 05:24 | 05:30 | 05:34 | 3280 |
| C1.5 | 03:56 | 04:03 | 04:07 | 3280 |