Solar flares on August 3, 2025
The most powerful solar flare in 24 hours
M2.9 (strong) flare - August 3 at 7:57 AM
Solar activity index
Value as of the end of the day on August 3, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 2, 2025 to August 3, 2025
Time zone — UTC-06 (Calgary) — summer time
List of solar flares for August 3, 2025
The total number of solar flares of class C and higher — 17 flares
C class — 14 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.4 | 23:05 | 23:15 | 23:21 | 4168 |
| M2.0 | 22:52 | 22:57 | 23:05 | 4168 |
| C2.8 | 21:14 | 21:20 | 21:22 | 4168 |
| C8.7 | 19:24 | 19:30 | 19:34 | 4168 |
| C2.2 | 18:16 | 18:22 | 18:28 | — |
| C6.8 | 15:43 | 15:56 | 16:10 | 4157 |
| C1.6 | 13:29 | 13:36 | 13:39 | 4168 |
| C3.5 | 11:03 | 11:14 | 11:27 | 4153 |
| C1.9 | 09:03 | 09:10 | 09:17 | 4153 |
| M2.9 | 07:50 | 07:57 | 08:01 | 4168 |
| C2.6 | 07:37 | 07:47 | 07:50 | 4168 |
| C1.6 | 06:27 | 06:55 | 07:10 | 4168 |
| C3.5 | 03:17 | 03:29 | 03:35 | 4167 |
| C2.6 | 02:56 | 03:11 | 03:17 | 4167 |
| C2.4 | 02:00 | 02:21 | 02:45 | 4155 |
| C1.8 | 01:11 | 01:21 | 01:30 | — |
| C1.5 | 00:23 | 00:30 | 00:34 | 4168 |