Solar flares on August 3, 2025
The most powerful solar flare in 24 hours
M2.9 (strong) flare - August 3 at 8:57 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-05 (Topeka) — summer time
List of solar flares for August 3, 2025
The total number of solar flares of class C and higher — 18 flares
C class — 16 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M2.0 | 23:52 | 23:57 | 00:05 | 4168 |
| C2.8 | 22:14 | 22:20 | 22:22 | 4168 |
| C8.7 | 20:24 | 20:30 | 20:34 | 4168 |
| C2.2 | 19:16 | 19:22 | 19:28 | — |
| C6.8 | 16:43 | 16:56 | 17:10 | 4157 |
| C1.6 | 14:29 | 14:36 | 14:39 | 4168 |
| C3.5 | 12:03 | 12:14 | 12:27 | 4153 |
| C1.9 | 10:03 | 10:10 | 10:17 | 4153 |
| M2.9 | 08:50 | 08:57 | 09:01 | 4168 |
| C2.6 | 08:37 | 08:47 | 08:50 | 4168 |
| C1.6 | 07:27 | 07:55 | 08:10 | 4168 |
| C3.5 | 04:17 | 04:29 | 04:35 | 4167 |
| C2.6 | 03:56 | 04:11 | 04:17 | 4167 |
| C2.4 | 03:00 | 03:21 | 03:45 | 4155 |
| C1.8 | 02:11 | 02:21 | 02:30 | — |
| C1.5 | 01:23 | 01:30 | 01:34 | 4168 |
| C1.2 | 00:30 | 00:36 | 00:43 | 4153 |
| C1.3 | 00:08 | 00:13 | 00:20 | — |