Solar flares on August 19, 2025
The most powerful solar flare in 24 hours
C2.5 (normal) flare - August 19 at 6:39 PM
Solar activity index
Value as of the end of the day on August 19, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 18, 2025 to August 19, 2025
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for August 19, 2025
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 |
|---|---|---|---|---|
| C2.5 | 18:18 | 18:39 | 18:49 | — |
| C1.0 | 14:16 | 14:21 | 14:26 | — |
| C1.3 | 04:36 | 04:46 | 04:56 | — |