Solar flares on August 3, 2025
The most powerful solar flare in 24 hours
M2.9 (strong) flare - August 3 at 1:57 PM
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+00
List of solar flares for August 3, 2025
The total number of solar flares of class C and higher — 19 flares
C class — 18 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.8 | 21:43 | 21:56 | 22:10 | 4157 |
| C1.6 | 19:29 | 19:36 | 19:39 | 4168 |
| C3.5 | 17:03 | 17:14 | 17:27 | 4153 |
| C1.9 | 15:03 | 15:10 | 15:17 | 4153 |
| M2.9 | 13:50 | 13:57 | 14:01 | 4168 |
| C2.6 | 13:37 | 13:47 | 13:50 | 4168 |
| C1.6 | 12:27 | 12:55 | 13:10 | 4168 |
| C3.5 | 09:17 | 09:29 | 09:35 | 4167 |
| C2.6 | 08:56 | 09:11 | 09:17 | 4167 |
| C2.4 | 08:00 | 08:21 | 08:45 | 4155 |
| C1.8 | 07:11 | 07:21 | 07:30 | — |
| C1.5 | 06:23 | 06:30 | 06:34 | 4168 |
| C1.2 | 05:30 | 05:36 | 05:43 | 4153 |
| C1.3 | 05:08 | 05:13 | 05:20 | — |
| C1.4 | 04:49 | 04:55 | 05:07 | 4167 |
| C1.5 | 04:20 | 04:36 | 04:46 | 4168 |
| C4.3 | 02:32 | 02:45 | 02:57 | 4168 |
| C2.5 | 02:01 | 02:11 | 02:16 | 4153 |
| C1.7 | 01:12 | 01:19 | 01:25 | 4168 |