Solar flares on November 18, 2025
The most powerful solar flare in 24 hours
C2.2 (normal) flare - November 18 at 10:25 AM
Solar activity index
Value as of the end of the day on November 18, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 17, 2025 to November 18, 2025
Time zone — UTC+07 (Tomsk)
List of solar flares for November 18, 2025
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 17:27 | 17:33 | 17:38 | 4284 |
| C1.5 | 12:30 | 12:35 | 12:38 | 4284 |
| C1.2 | 11:04 | 11:09 | 11:13 | 4284 |
| C2.2 | 10:06 | 10:25 | 10:34 | 4284 |
| C1.3 | 09:12 | 09:20 | 09:25 | 4284 |
| C1.3 | 08:38 | 08:41 | 08:44 | 4284 |
| C1.5 | 07:20 | 07:44 | 08:38 | — |
| C1.6 | 06:09 | 06:13 | 06:18 | 4283 |
| C1.2 | 03:27 | 03:34 | 03:41 | 4284 |