Solar flares on July 4, 2026
The most powerful solar flare in 24 hours
X1.3 (very strong) flare - July 4 at 4:41 PM
Solar activity index
Value as of the end of the day on July 4, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 3, 2026 to July 4, 2026
Time zone — UTC-04 (Columbus) — summer time
List of solar flares for July 4, 2026
The total number of solar flares of class C and higher — 21 flares
C class — 9 | M class — 11 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.1 | 23:16 | 23:24 | 23:32 | 4479 |
| C8.3 | 21:09 | 21:21 | 21:30 | 4479 |
| M1.3 | 20:24 | 20:31 | 20:36 | 4479 |
| M1.0 | 19:45 | 19:49 | 19:52 | — |
| C9.3 | 19:32 | 19:41 | 19:44 | 4479 |
| M1.1 | 18:16 | 18:24 | 18:29 | 4479 |
| X1.3 | 16:29 | 16:41 | 16:47 | 4482 |
| M1.5 | 15:23 | 15:36 | 15:40 | 4478 |
| M1.9 | 14:36 | 14:48 | 15:03 | 4479 |
| C7.5 | 12:56 | 13:02 | 13:04 | 4479 |
| M1.1 | 12:02 | 12:06 | 12:11 | 4479 |
| C8.0 | 11:26 | 11:34 | 11:50 | 4479 |
| C8.5 | 10:35 | 10:38 | 10:41 | 4482 |
| C8.3 | 10:26 | 10:30 | 10:35 | 4479 |
| M3.2 | 09:41 | 09:51 | 09:58 | 4479 |
| M3.2 | 07:04 | 07:12 | 07:19 | 4479 |
| M1.0 | 04:41 | 04:52 | 04:56 | 4479 |
| M1.8 | 03:48 | 04:07 | 04:14 | 4479 |
| C7.4 | 02:12 | 02:20 | 02:35 | 4479 |
| C9.5 | 01:43 | 01:52 | 01:59 | 4479 |
| M1.3 | 01:04 | 01:15 | 01:22 | 4479 |