Solar flares on April 18, 2024
The most powerful solar flare in 24 hours
M2.1 (strong) flare - April 18 at 9:53 PM
Solar activity index
Value as of the end of the day on April 18, 2024
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 17, 2024 to April 18, 2024
Time zone — UTC-07 (Phoenix)
List of solar flares for April 18, 2024
The total number of solar flares of class C and higher — 10 flares
C class — 7 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M2.1 | 21:40 | 21:53 | 22:03 | 3647 |
| C4.9 | 19:44 | 19:52 | 20:09 | 3635 |
| C4.1 | 18:51 | 18:57 | 19:01 | 3647 |
| C4.1 | 18:37 | 18:48 | 18:51 | 3647 |
| C3.5 | 18:20 | 18:27 | 18:31 | 3647 |
| C3.0 | 18:05 | 18:11 | 18:20 | 3639 |
| M1.6 | 13:12 | 13:16 | 13:21 | 3647 |
| C9.8 | 09:16 | 09:46 | 10:02 | 3645 |
| C8.9 | 04:44 | 04:51 | 04:56 | 3645 |
| M1.3 | 00:17 | 00:37 | 01:09 | 3643 |