Solar flares on October 16, 2026
The most powerful solar flare in 24 hours
C3.1 (normal) flare - October 16 at 12:19 AM
Solar activity index
Value as of the end of the day on October 16, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 15, 2026 to October 16, 2026
Time zone — UTC+00
List of solar flares for October 16, 2026
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 06:14 | 06:22 | 06:30 | 4551 |
| C1.9 | 04:23 | 04:37 | 04:44 | — |
| C1.6 | 03:26 | 03:34 | 03:37 | 4551 |
| C3.0 | 01:04 | 01:17 | 01:31 | 4557 |
| C3.1 | 00:04 | 00:19 | 00:27 | 4551 |