Solar flares on October 17, 2026
The most powerful solar flare in 24 hours
C1.5 (normal) flare - October 17 at 1:10 AM
Solar activity index
Value as of the end of the day on October 17, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 16, 2026 to October 17, 2026
Time zone — UTC+04 (Tbilisi)
List of solar flares for October 17, 2026
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 02:59 | 03:06 | 03:12 | — |
| C1.2 | 02:24 | 02:32 | 02:38 | — |
| C1.5 | 01:03 | 01:10 | 01:13 | 4551 |