Solar flares on September 19, 2026
The most powerful solar flare in 24 hours
C3.3 (normal) flare - September 19 at 6:17 PM
Solar activity index
Value as of the end of the day on September 19, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 18, 2026 to September 19, 2026
Time zone — UTC+00
List of solar flares for September 19, 2026
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.3 | 17:57 | 18:17 | 18:32 | — |