Solar flares on April 3, 2026
The most powerful solar flare in 24 hours
M7.5 (strong) flare - April 3 at 9:17 PM
Solar activity index
Value as of the end of the day on April 3, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 2, 2026 to April 3, 2026
Time zone — UTC-04 (Toronto) — summer time
List of solar flares for April 3, 2026
The total number of solar flares of class C and higher — 20 flares
C class — 17 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.2 | 23:16 | 23:30 | 23:41 | 4409 |
| C1.7 | 22:51 | 22:58 | 23:02 | 4409 |
| M7.5 | 21:07 | 21:17 | 21:23 | 4409 |
| C2.3 | 20:26 | 20:41 | 20:54 | 4409 |
| C1.7 | 19:36 | 19:45 | 19:48 | 4409 |
| C5.8 | 17:42 | 18:02 | 18:11 | 4409 |
| C2.3 | 17:25 | 17:34 | 17:42 | 4409 |
| C2.1 | 16:06 | 16:13 | 16:20 | 4409 |
| C4.9 | 15:17 | 15:21 | 15:24 | 4409 |
| C1.7 | 13:31 | 13:36 | 13:39 | 4409 |
| C3.8 | 11:50 | 12:08 | 12:12 | 4409 |
| C1.3 | 10:27 | 10:34 | 10:38 | — |
| M1.3 | 08:46 | 08:50 | 08:52 | — |
| C5.2 | 08:19 | 08:28 | 08:34 | 4409 |
| C3.5 | 07:53 | 08:00 | 08:04 | 4409 |
| C3.4 | 07:06 | 07:09 | 07:14 | 4409 |
| C7.8 | 06:03 | 06:17 | 06:23 | — |
| C1.5 | 05:03 | 05:13 | 05:16 | — |
| M1.3 | 03:45 | 03:56 | 03:58 | 4409 |
| C6.0 | 01:20 | 01:42 | 01:45 | — |