Solar flares on August 12, 2025
The most powerful solar flare in 24 hours
M1.8 (strong) flare - August 12 at 6:53 AM
Solar activity index
Value as of the end of the day on August 12, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 11, 2025 to August 12, 2025
Time zone — UTC+05:30 (Haora)
List of solar flares for August 12, 2025
The total number of solar flares of class C and higher — 17 flares
C class — 15 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.0 | 21:43 | 21:54 | 22:07 | 4172 |
| C5.0 | 18:21 | 18:25 | 18:28 | 4172 |
| C6.1 | 17:33 | 17:48 | 18:09 | — |
| C7.7 | 17:17 | 17:23 | 17:25 | — |
| C4.3 | 12:02 | 12:11 | 12:24 | — |
| C3.7 | 10:30 | 10:41 | 10:52 | — |
| C5.8 | 09:53 | 09:59 | 10:03 | — |
| C5.1 | 09:43 | 09:50 | 09:53 | — |
| C3.3 | 09:28 | 09:35 | 09:43 | — |
| C7.7 | 09:02 | 09:08 | 09:12 | — |
| M1.8 | 06:48 | 06:53 | 06:57 | — |
| M1.5 | 06:12 | 06:29 | 06:48 | — |
| C4.1 | 06:00 | 06:04 | 06:08 | — |
| C4.4 | 05:30 | 05:38 | 05:41 | — |
| C4.5 | 05:18 | 05:26 | 05:30 | — |
| C3.9 | 02:58 | 03:05 | 03:13 | — |
| C5.5 | 01:47 | 01:56 | 02:11 | — |