Solar flares on April 4, 2026
The most powerful solar flare in 24 hours
M1.2 (strong) flare - April 4 at 4:11 AM
Solar activity index
Value as of the end of the day on April 4, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 3, 2026 to April 4, 2026
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for April 4, 2026
The total number of solar flares of class C and higher — 20 flares
C class — 18 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 23:23 | 23:29 | 23:33 | 4412 |
| C1.4 | 22:41 | 22:49 | 22:54 | 4412 |
| C1.6 | 21:59 | 22:04 | 22:06 | 4412 |
| C1.6 | 21:35 | 21:43 | 21:53 | 4409 |
| C1.1 | 21:01 | 21:06 | 21:12 | 4409 |
| C1.2 | 20:20 | 20:28 | 20:44 | 4409 |
| C1.8 | 19:55 | 20:00 | 20:04 | 4409 |
| C1.5 | 19:34 | 19:41 | 19:50 | 4409 |
| C1.2 | 19:23 | 19:29 | 19:34 | 4409 |
| C3.8 | 17:51 | 18:04 | 18:13 | 4409 |
| C1.4 | 16:21 | 16:28 | 16:33 | 4409 |
| M1.0 | 14:54 | 15:04 | 15:14 | 4409 |
| C7.9 | 11:35 | 11:47 | 12:05 | 4409 |
| C1.7 | 10:48 | 11:00 | 11:10 | 4409 |
| C2.8 | 09:02 | 09:15 | 09:24 | 4409 |
| C1.7 | 08:18 | 08:25 | 08:32 | 4409 |
| C1.6 | 07:00 | 07:15 | 07:35 | 4409 |
| C1.7 | 05:29 | 05:39 | 05:44 | 4409 |
| M1.2 | 03:58 | 04:11 | 04:22 | 4409 |
| C1.2 | 03:24 | 03:34 | 03:46 | 4409 |